{"product_id":"double-linear-polarizer-variable-attenuators-afpl25-vis","title":"Double Linear Polarizer Variable Attenuators AFPL25-VIS","description":"\u003ch2\u003eDouble Linear Polarizer Variable Attenuator — Model AFPL25-VIS\u003c\/h2\u003e\u003cp\u003e\u003cem\u003eN-BK7, operating wavelength 400 nm-700 nm, clear aperture Ø21.5 mm, key spec \u0026gt;500:1 (400-450 nm); \u0026gt;5000:1 (450-700 nm).\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eLBTEK Double Linear Polarizer Variable Attenuators consist of two thin-film linear polarizers in series, providing continuous attenuation control by rotating one polarizer relative to the other. Designed for low-power continuous brightness reduction across visible (400-700 nm) and NIR (700-1700 nm) ranges. Includes two economical thin-film linear polarizers in a compact assembly.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOperating Wavelength: 400 nm-700 nm\u003c\/li\u003e\n\u003cli\u003eClear Aperture: Ø21.5 mm\u003c\/li\u003e\n\u003cli\u003eExtinction ratio: \u0026gt;500:1 (400-450 nm); \u0026gt;5000:1 (450-700 nm)\u003c\/li\u003e\n\u003cli\u003eSubstrate: N-BK7\u003c\/li\u003e\n\u003cli\u003eAnti-reflective coating: Ravg\u0026lt;0.5 %@400-700 nm\u003c\/li\u003e\n\u003cli\u003eAngle of incidence: 0°±20 °\u003c\/li\u003e\n\u003cli\u003eSurface finish (scratches\/pits): 40\/20\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eContinuous brightness reduction in optical systems\u003c\/li\u003e\n\u003cli\u003eVariable laser power attenuation in low-power applications\u003c\/li\u003e\n\u003cli\u003eImaging exposure control\u003c\/li\u003e\n\u003cli\u003eOptical density sweeping in characterization setups\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47515547599002,"sku":"AFPL25-VIS","price":484.22,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_AF_E8_B0_83_E5_81_8F_E6_8C_AF_E9_95_9C_EF_BC_8C_E8_96_84_E8_86_9C_E7_BA_BF_E6_80_A7_E5_81_8F_E6_8C_AF_E7_89_87-Fpk0Jka3Si-iQukpSbGo1urMcu3F.jpg?v=1772635834","url":"https:\/\/waveqvanta.com\/products\/double-linear-polarizer-variable-attenuators-afpl25-vis","provider":"WaveQuanta","version":"1.0","type":"link"}