{"title":"Optics - Raman Filters","description":"\u003cp\u003eBrowse 23+ optical filters from WaveQuanta's catalog. Part of our precision optical components and lenses range. Detailed specifications, datasheets, and 3D models available for each product. Request a quote today.\u003c\/p\u003e","products":[{"product_id":"raman-filters-ret1072lp","title":"Raman long-pass filter RET1072LP","description":"\u003ch2\u003eRaman long-pass filter — Model RET1072LP\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519178391706,"sku":"RET1072LP","price":1020.08,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu.jpg?v=1772682280"},{"product_id":"raman-filters-ret837lp","title":"Raman long-pass filter RET837LP","description":"\u003ch2\u003eRaman long-pass filter — Model RET837LP\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519178686618,"sku":"RET837LP","price":1020.08,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_38b83acc-2379-467c-b5eb-e7d769c8c51a.jpg?v=1772682285"},{"product_id":"raman-filters-ret792lp","title":"Raman long-pass filter RET792LP","description":"\u003ch2\u003eRaman long-pass filter — Model RET792LP\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519178784922,"sku":"RET792LP","price":1020.08,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_f58c1b13-393e-450d-a81e-d605427d6852.jpg?v=1772682291"},{"product_id":"raman-filters-ret638lp","title":"Raman long-pass filter RET638LP","description":"\u003ch2\u003eRaman long-pass filter — Model RET638LP\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519178817690,"sku":"RET638LP","price":1020.08,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_3ffca61d-6d7e-4112-971d-f79fb474a987.jpg?v=1772682296"},{"product_id":"raman-filters-ret493lp","title":"Raman long-pass filter RET493LP","description":"\u003ch2\u003eRaman long-pass filter — Model RET493LP\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519178915994,"sku":"RET493LP","price":1020.08,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_ffbced78-ed60-4199-b855-6fb1c57b8747.jpg?v=1772682301"},{"product_id":"raman-filters-ret359lp","title":"Raman long-pass filter RET359LP","description":"\u003ch2\u003eRaman long-pass filter — Model RET359LP\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179079834,"sku":"RET359LP","price":1020.08,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_983103b9-32d0-4079-b97c-9bff9f245458.jpg?v=1772682307"},{"product_id":"raman-filters-ret270lp","title":"Raman long-pass filter RET270LP","description":"\u003ch2\u003eRaman long-pass filter — Model RET270LP\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179145370,"sku":"RET270LP","price":1020.08,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_0480662a-b265-410c-952f-015537550080.jpg?v=1772682312"},{"product_id":"raman-filters-ret787lp-x","title":"Raman long-pass filter RET787LP-X","description":"\u003ch2\u003eRaman long-pass filter — Model RET787LP-X\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179210906,"sku":"RET787LP-X","price":1528.82,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_dc2e0b4b-5ef6-4b6e-ace0-6813681a5a1b.jpg?v=1772682318"},{"product_id":"raman-filters-ret634lp-x","title":"Raman long-pass filter RET634LP-X","description":"\u003ch2\u003eRaman long-pass filter — Model RET634LP-X\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179309210,"sku":"RET634LP-X","price":1528.82,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_f76c292c-7011-4f58-b01e-462d7e2fe16a.jpg?v=1772682323"},{"product_id":"raman-filters-ret533lp-x","title":"Raman long-pass filter RET533LP-X","description":"\u003ch2\u003eRaman long-pass filter — Model RET533LP-X\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179473050,"sku":"RET533LP-X","price":1528.82,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_524c6c78-b0c1-40a4-8543-e2412f8a51d6.jpg?v=1772682329"},{"product_id":"raman-filters-ret489lp-x","title":"Raman long-pass filter RET489LP-X","description":"\u003ch2\u003eRaman long-pass filter — Model RET489LP-X\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179505818,"sku":"RET489LP-X","price":1528.82,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_740be705-30e8-4582-9023-fc12892b044c.jpg?v=1772682334"},{"product_id":"raman-filters-ret537lp","title":"Raman long-pass filter RET537LP","description":"\u003ch2\u003eRaman long-pass filter — Model RET537LP\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eØØ25.0 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman long-pass filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Filter\u003c\/li\u003e\n\u003cli\u003eCut-On Wavelength: 270 nm-1072 nm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter 25.0 mm, with Mechanical Retaining Ring\u003c\/li\u003e\n\u003cli\u003eAngle of Incidence: 0°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass filters include two types: low wavenumber Raman long-pass filters and conventional Raman long-pass filters. They are optical filters that allow light with wavelengths longer than a specific wavelength to pass through. They exhibit high transmittance (Tavg \u0026gt; 90%) for light longer than the starting (cut-off) wavelength and high blocking depth (ODavg \u0026gt; 6) for light shorter than the starting (cut-off) wavelength. The filters are pre-installed in Ø25.0 mm black anodized aluminum rings, with the light propagation direction marked by an arrow on the housing for easy installation and use. Raman long-pass filters are recommended for use at an incident angle of 0°. When used at incident angles deviating from the design angle, the starting (cut-off) wavelength may shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179604122,"sku":"RET537LP","price":1020.08,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu_b2306a25-c590-470d-a057-539e1f74d500.jpg?v=1772682339"},{"product_id":"raman-filters-rt633rdc","title":"Raman Dichroic Mirror RT633RDC","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT633RDC\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179735194,"sku":"RT633RDC","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_e3376272-c358-447e-bea5-6c024a80e9b8.jpg?v=1772682344"},{"product_id":"raman-filters-rt532rdc","title":"Raman Dichroic Mirror RT532RDC","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT532RDC\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179833498,"sku":"RT532RDC","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_b482517e-689f-4f24-a59d-cb8203f712ff.jpg?v=1772682349"},{"product_id":"raman-filters-rt785rdc-r","title":"Raman Dichroic Mirror RT785RDC-R","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT785RDC-R\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179899034,"sku":"RT785RDC-R","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_ad4ce50b-64e6-4a4b-b216-47d8edad489a.jpg?v=1772682354"},{"product_id":"raman-filters-rt633rdc-r","title":"Raman Dichroic Mirror RT633RDC-R","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT633RDC-R\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519179997338,"sku":"RT633RDC-R","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_21765c62-34f0-4c77-9e59-f84f22dc2db6.jpg?v=1772682360"},{"product_id":"raman-filters-rt532rdc-r","title":"Raman Dichroic Mirror RT532RDC-R","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT532RDC-R\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519180062874,"sku":"RT532RDC-R","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_9b993f64-e5ee-4897-a625-1d71da684c5b.jpg?v=1772682365"},{"product_id":"raman-filters-rt488rdc-r","title":"Raman Dichroic Mirror RT488RDC-R","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT488RDC-R\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519180161178,"sku":"RT488RDC-R","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_69f362ce-0dd0-4763-8f32-0c6df7f335ee.jpg?v=1772682371"},{"product_id":"raman-filters-rt355rdc-r","title":"Raman Dichroic Mirror RT355RDC-R","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT355RDC-R\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519180259482,"sku":"RT355RDC-R","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_6c719d3e-cc10-4c99-9ff7-97c575b73be0.jpg?v=1772682376"},{"product_id":"raman-filters-rt266rdc-r","title":"Raman Dichroic Mirror RT266RDC-R","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT266RDC-R\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519180357786,"sku":"RT266RDC-R","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_186560e9-c020-4165-81c2-6c20cfdc13df.jpg?v=1772682381"},{"product_id":"raman-filters-rt785rdc-um","title":"Raman Dichroic Mirror RT785RDC-UM","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT785RDC-UM\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519180488858,"sku":"RT785RDC-UM","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_75427b0e-dfdb-489e-8db1-8bac7b445271.jpg?v=1772682386"},{"product_id":"raman-filters-rt532rdc-um","title":"Raman Dichroic Mirror RT532RDC-UM","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT532RDC-UM\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519180587162,"sku":"RT532RDC-UM","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_245c221d-bed8-4256-b5d4-d81d67d7178e.jpg?v=1772682392"},{"product_id":"raman-filters-rt266rdc-um","title":"Raman Dichroic Mirror RT266RDC-UM","description":"\u003ch2\u003eRaman Dichroic Mirror — Model RT266RDC-UM\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eRaman Dichroic Mirror\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter 25.0 mm, with mechanical retaining ring\u003c\/li\u003e\n\u003cli\u003eHigh environmental resistance, long service life\u003c\/li\u003e\n\u003cli\u003eFWHM: 3 nm, 4 nm, 5 nm, 6 nm, 7 nm\u003c\/li\u003e\n\u003cli\u003eCenter wavelength: 266 nm-1064 nm\u003c\/li\u003e\n\u003cli\u003eOptical density in stop band: OD5, OD6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK offers CHROMA Raman Filters with a diameter of 25 mm and mechanical retaining rings. Raman Filters are bandpass filters with a bandwidth of less than 10 nm, used in instruments such as Raman spectrometers. Raman filters fully transmit only the central wavelength, with optical densities in the stop band reaching as high as OD5 and OD6. LBTEK's CHROMA Raman filters utilize a magnetron sputtering coating process, resulting in high transmittance, a high cutoff depth, and a high steepness. In Raman spectroscopy applications, they effectively reduce stray light interference, improve spectral signal quality, and enhance detection sensitivity and accuracy.\u003c\/p\u003e\n\u003ch3\u003eRaman Dichroic Mirror\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLongpass Dichroic Mirror\u003c\/li\u003e\n\u003cli\u003eReflection Cutoff \u0026amp; Transmission Start Wavelength: 266 nm-785 nm\u003c\/li\u003e\n\u003cli\u003eØ25.0 mm (Mounted), Ø25.0 mm (Unmounted), 36 mm x 25.5 mm\u003c\/li\u003e\n\u003cli\u003eIncidence Angle: 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Raman long-pass dichroic mirrors are filters that allow long wavelengths to pass through while reflecting or absorbing short wavelengths. They exhibit high transmittance (Tavg \u0026gt; 90%) for light with wavelengths longer than the cut-on (cut-off) wavelength and high reflectance (Ravg \u0026gt; 90%) for light with wavelengths shorter than the cut-on (cut-off) wavelength. Raman long-pass dichroic mirrors are available in two types: mounted (Ø25.0 mm) and unmounted (Ø25.0 mm \u0026amp; 36 mm x 25.5 mm). For the mounted version, an arrow (↑) engraved on the housing indicates the direction of light propagation, while for the unmounted version, an arrow (\u0026gt;) on the side indicates the direction of the coated surface, facilitating installation and use. Raman long-pass dichroic mirrors are recommended for use at an incident angle of 45°. If the incident angle deviates from the design angle, the cut-on (cut-off) wavelength will shift.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519180685466,"sku":"RT266RDC-UM","price":1087.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_B0_8F_E5_9B_BE-----FiRkNPcFTcsBySBMMgT30MrQRyir_c00c7f7d-8203-4a65-a984-50bce73e9b9f.jpg?v=1772682397"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/collections\/E6_8B_89_E6_9B_BC_E6_BB_A4_E5_85_89_E7_89_87-FnyvO2Eq16Q4XfS_-V7u5D51kCUu-FnyvO2Eq16Q4XfS_-V7u5D51kCUu.jpg?v=1777788450","url":"https:\/\/waveqvanta.com\/collections\/lbtek-optics-raman-filters.oembed","provider":"WaveQuanta","version":"1.0","type":"link"}