{"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","url":"https:\/\/waveqvanta.com\/products\/lbtek-achromatic-quarter-wave-plate-maqwp20-lnir","provider":"WaveQuanta","version":"1.0","type":"link"}