{"title":"Achromatic Quarter-Wave Plates","description":"\u003cp\u003eBrowse 9+ achromatic lenses 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":"lbtek-achromatic-quarter-wave-plate-aqwp10-vis","title":"LBTek Achromatic Quarter-Wave Plate — AQWP10-VIS","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (Retaining Ring) — Model AQWP10-VIS\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 400 nm-700 nm, in retaining ring housing.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 400 nm-700 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a retaining ring housing.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 400 nm-700 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eRetaining ring housing, Ø25.4 mm OD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813590483098,"sku":"AQWP10-VIS","price":713.06,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/bfbb1e0fb2dd12a6d7a75973f48eb727.jpg?v=1776396247"},{"product_id":"lbtek-achromatic-quarter-wave-plate-aqwp10-snir","title":"LBTek Achromatic Quarter-Wave Plate — AQWP10-SNIR","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (Retaining Ring) — Model AQWP10-SNIR\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 700 nm-1100 nm, in retaining ring housing.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 700 nm-1100 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a retaining ring housing.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 700 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eRetaining ring housing, Ø25.4 mm OD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813590515866,"sku":"AQWP10-SNIR","price":713.06,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/bfbb1e0fb2dd12a6d7a75973f48eb727_aeda87f2-adb1-40cc-805e-4c368ecba9e9.jpg?v=1776396255"},{"product_id":"lbtek-achromatic-quarter-wave-plate-aqwp10-lnir","title":"LBTek Achromatic Quarter-Wave Plate — AQWP10-LNIR","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (Retaining Ring) — Model AQWP10-LNIR\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 1100 nm-1650 nm, in retaining ring housing.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 1100 nm-1650 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a retaining ring housing.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 1100 nm-1650 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eRetaining ring housing, Ø25.4 mm OD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813590548634,"sku":null,"price":0.0,"currency_code":"SGD","in_stock":true}]},{"product_id":"lbtek-achromatic-quarter-wave-plate-aqwp20-vis","title":"LBTek Achromatic Quarter-Wave Plate — AQWP20-VIS","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (Retaining Ring) — Model AQWP20-VIS\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 400 nm-700 nm, in retaining ring housing.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 400 nm-700 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a retaining ring housing.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 400 nm-700 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eRetaining ring housing, Ø25.4 mm OD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813592940698,"sku":"AQWP20-VIS","price":896.88,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/be7e242a8079164cb19fc640d7faa2ce.jpg?v=1776396408"},{"product_id":"lbtek-achromatic-quarter-wave-plate-aqwp20-snir","title":"LBTek Achromatic Quarter-Wave Plate — AQWP20-SNIR","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (Retaining Ring) — Model AQWP20-SNIR\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 700 nm-1100 nm, in retaining ring housing.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 700 nm-1100 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a retaining ring housing.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 700 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eRetaining ring housing, Ø25.4 mm OD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813592973466,"sku":"AQWP20-SNIR","price":896.88,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/be7e242a8079164cb19fc640d7faa2ce_b191f851-0148-48b4-8ade-12a0f492bb10.jpg?v=1776396419"},{"product_id":"lbtek-achromatic-quarter-wave-plate-aqwp20-lnir","title":"LBTek Achromatic Quarter-Wave Plate — AQWP20-LNIR","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (Retaining Ring) — Model AQWP20-LNIR\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 1100 nm-1650 nm, in retaining ring housing.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 1100 nm-1650 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a retaining ring housing.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 1100 nm-1650 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eRetaining ring housing, Ø25.4 mm OD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813593071770,"sku":"AQWP20-LNIR","price":896.88,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/be7e242a8079164cb19fc640d7faa2ce_b762a822-4fa6-4d71-9293-df5ba8478a1e.jpg?v=1776396429"},{"product_id":"lbtek-achromatic-quarter-wave-plate-maqwp20-vis","title":"LBTek Achromatic Quarter-Wave Plate — MAQWP20-VIS","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (SM1 Mount) — Model MAQWP20-VIS\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 400 nm-700 nm, in SM1 lens tube.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 400 nm-700 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a SM1 lens tube.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 400 nm-700 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eMounted in SM1-8A lens tube (SM1 internal\/external thread)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813593104538,"sku":"MAQWP20-VIS","price":905.12,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/438897129ce722c823bacee06c5455e3.png?v=1776396444"},{"product_id":"lbtek-achromatic-quarter-wave-plate-maqwp20-snir","title":"LBTek Achromatic Quarter-Wave Plate — MAQWP20-SNIR","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (SM1 Mount) — Model MAQWP20-SNIR\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 700 nm-1100 nm, in SM1 lens tube.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 700 nm-1100 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a SM1 lens tube.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 700 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eMounted in SM1-8A lens tube (SM1 internal\/external thread)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813593137306,"sku":"MAQWP20-SNIR","price":905.12,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/438897129ce722c823bacee06c5455e3_e81188e5-d27e-4c63-972c-17d83a685cce.png?v=1776396457"},{"product_id":"lbtek-achromatic-quarter-wave-plate-maqwp20-lnir","title":"LBTek Achromatic Quarter-Wave Plate — MAQWP20-LNIR","description":"\u003ch2\u003eAchromatic Quarter-Wave Plate (SM1 Mount) — Model MAQWP20-LNIR\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 1100 nm-1650 nm, in SM1 lens tube.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Achromatic Quarter-Wave Plate combines a quartz crystal and MgF\u003csub\u003e2\u003c\/sub\u003e element pair to deliver a true λ\/4 retardance across the broadband wavelength range of 1100 nm-1650 nm. The achromatic design compensates for material dispersion, maintaining quarter-wave retardance accuracy across the full specified band rather than at a single design wavelength. Both surfaces carry a low-reflectance V-coat (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5%, 6° AOI). Each plate is supplied in a SM1 lens tube.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAchromatic design: uniform λ\/4 retardance across 1100 nm-1650 nm\u003c\/li\u003e\n\u003cli\u003eQuartz crystal + MgF₂ dual-element construction\u003c\/li\u003e\n\u003cli\u003eV-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 0.5% per surface, 6° AOI\u003c\/li\u003e\n\u003cli\u003eDelay accuracy ±λ\/24 (VIS) or ±λ\/100 (NIR bands)\u003c\/li\u003e\n\u003cli\u003eTransmitted Wavefront Error: λ\/8 @ 633 nm\u003c\/li\u003e\n\u003cli\u003eSurface Parallelism: \u0026lt; 10 arcsec\u003c\/li\u003e\n\u003cli\u003eMounted in SM1-8A lens tube (SM1 internal\/external thread)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular)\u003c\/li\u003e\n\u003cli\u003eWhite-light interferometry and ellipsometry\u003c\/li\u003e\n\u003cli\u003eFluorescence and multi-wavelength microscopy\u003c\/li\u003e\n\u003cli\u003eOptical coherence tomography (OCT)\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47813594022042,"sku":"MAQWP20-LNIR","price":905.12,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/438897129ce722c823bacee06c5455e3_2864499b-4b2c-4a9c-9e12-bf035d76163f.png?v=1776396594"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/collections\/438897129ce722c823bacee06c5455e3_b1d2ecd3-0a27-4f51-badb-eacfc5e58ffd.png?v=1776411698","url":"https:\/\/waveqvanta.com\/collections\/lbtek-optics-l4-achromatic-quarter-wave-plates.oembed","provider":"WaveQuanta","version":"1.0","type":"link"}