{"product_id":"lbtek-super-achromatic-quarter-wave-plate-saqwp25-355-1200-m","title":"LBTek Super Achromatic Quarter-Wave Plate — SAQWP25-355-1200-M","description":"\u003ch2\u003eSuper Achromatic Quarter-Wave Plate — Model SAQWP25-355-1200-M\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eBroadband λ\/4 waveplate for 355-1200 nm, mounted in SM1 lens tube (Ø21.5 mm (SM1)).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLBTek's Super Achromatic Quarter-Wave Plate delivers a true λ\/4 retardance across an ultra-broad wavelength range of 355-1200 nm by bonding a 6-layer quartz and MgF\u003csub\u003e2\u003c\/sub\u003e stack at precisely designed crystal-axis angles. Compared with compound zero-order or multi-order designs, the super achromatic construction preserves quarter-wave retardance over the full specified bandwidth rather than only at a single design wavelength. Each plate is anti-reflection coated on both surfaces (R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 2%) and pre-mounted in a standard SM1 lens tube marked with the fast-axis orientation, the model number and full specifications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrue super-achromatic design: uniform λ\/4 retardance across 355-1200 nm\u003c\/li\u003e\n\u003cli\u003e6-layer quartz + MgF₂ bonded stack with precise axis alignment\u003c\/li\u003e\n\u003cli\u003eBroadband V-coat anti-reflection: R\u003csub\u003eavg\u003c\/sub\u003e \u0026lt; 2% per surface, 0° AOI\u003c\/li\u003e\n\u003cli\u003eFast-axis accuracy down to ±1° (tightest grade)\u003c\/li\u003e\n\u003cli\u003eTransmitted wavefront error specified at 632.8 nm (RMS)\u003c\/li\u003e\n\u003cli\u003ePre-mounted in standard SM1 lens tube for direct drop-in integration\u003c\/li\u003e\n\u003cli\u003eOperating temperature -20°C to +50°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband polarization state conversion (linear ↔ circular \/ elliptical)\u003c\/li\u003e\n\u003cli\u003eUltrafast laser systems requiring wavelength-tolerant retardance\u003c\/li\u003e\n\u003cli\u003eEllipsometry and polarization-resolved imaging\u003c\/li\u003e\n\u003cli\u003eQuantum optics and polarization-entanglement experiments\u003c\/li\u003e\n\u003cli\u003eIntegration with broadband polarizing beamsplitters and prisms\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBTek","offers":[{"title":"Default Title","offer_id":47812698112154,"sku":"SAQWP25-355-1200-M","price":3059.34,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/SAQWP25-355-1200-m-FlvAqnBqtrrM4r9DAcS9qRJBPpR.jpg?v=1776387710","url":"https:\/\/waveqvanta.com\/products\/lbtek-super-achromatic-quarter-wave-plate-saqwp25-355-1200-m","provider":"WaveQuanta","version":"1.0","type":"link"}