{"product_id":"broadband-polarizing-beamsplitter-cubes-ar-coating-420-nm-680-nm-mpbs641","title":"Broadband Polarizing Beamsplitter Cubes, AR Coating: 420 nm-680 nm MPBS641","description":"\u003ch2\u003eBroadband PBS 420-680 nm — Model MPBS641\u003c\/h2\u003e\u003cp\u003e\u003cem\u003eN-SF1, optimized for 420 nm-680 nm, cube size 25.4 mm×25.4 mm×25.4 mm, extinction ratio \u0026gt;1000:1.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eLBTEK mounts the 25.4 mm broadband polarizing beamsplitter cube (AR coating: 420nm-680nm) inside a cubic housing compatible with 30 mm cage systems. A scribe line on the top face marks the beam direction. M3 threaded holes on the side allow direct compatibility with 30 mm cage systems. Four SM1 internal-thread ports accept 25.4 mm lens tubes. M4 threaded holes at the base support post mounting.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExtinction ratio (Tp:Ts) \u0026gt;1000:1\u003c\/li\u003e\n\u003cli\u003eSpectroscopic film: Tp\u0026gt;90%, Rs,avg \u0026gt;95%\u003c\/li\u003e\n\u003cli\u003eAR coating: Ravg\u0026lt;0.5% (6°angle of incidence, per surface)\u003c\/li\u003e\n\u003cli\u003eTransmitted wavefront error: λ\/4\u003c\/li\u003e\n\u003cli\u003eSurface quality: 40\/20\u003c\/li\u003e\n\u003cli\u003eBeam deviation: transmission: 0°± 5 arcmin; reflection: 90°± 5 arcmin\u003c\/li\u003e\n\u003cli\u003eSubstrate: N-SF1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLaser polarization control and beam separation\u003c\/li\u003e\n\u003cli\u003eInterferometry and polarimetry setups\u003c\/li\u003e\n\u003cli\u003eOptical isolators and magneto-optic modulators\u003c\/li\u003e\n\u003cli\u003ePolarization-sensitive imaging and spectroscopy\u003c\/li\u003e\n\u003cli\u003eHigh-contrast laser systems requiring stable extinction\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47515451261082,"sku":"MPBS641","price":542.67,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_AE_BD_E5_B8_A6_E5_81_8F_E6_8C_AF_E5_88_86_E6_9D_9F_E7_AB_8B_E6_96_B9_EF_BC_8C_E5_A2_9E_E9_80_8F_E8_86_9C_EF_BC_9A420_20nm-680_20nm_EF_BC_8C30_20mm_E5_90_8C_E8_BD_B4_E7_AB_8B_E6.jpg?v=1772634387","url":"https:\/\/waveqvanta.com\/products\/broadband-polarizing-beamsplitter-cubes-ar-coating-420-nm-680-nm-mpbs641","provider":"WaveQuanta","version":"1.0","type":"link"}