{"product_id":"polarization-gratings-pzgs25-5-781","title":"Polarization gratings PZGS25-5-780","description":"\u003cp\u003eLBTek Polarization Gratings (PG) are fabricated based on liquid crystal polymer birefringent materials and N-BK7 glass substrates, presenting a sandwich structure of front and rear glass substrates plus intermediate LCP functional film layer without housing and with a single-sided chamfer.\u003c\/p\u003e\n\u003cp\u003eThe fast-axis orientation of liquid crystal molecules exhibits a periodic continuous gradient along the x-direction, maintaining half-wave retardation across the entire device plane, making these single-wavelength devices.\u003c\/p\u003e\n\u003cp\u003ePolarization gratings possess polarization-dependent optical characteristics. With different polarization states of incident beams, they achieve tunable energy-splitting ratios for beam splitting or enable non-mechanical beam scanning. Compared to traditional gratings, they feature flat-panel structure without physical protrusions, ease of integration, extremely low zero-order ratio, and exceptionally high diffraction efficiency.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLiquid Crystal Polymer \/ N-BK7 window plate sandwich flat plate structure\u003c\/li\u003e\n\u003cli\u003eFast axis orientation with periodic continuous gradient along x-direction\u003c\/li\u003e\n\u003cli\u003eHalf-wave retardation capability\u003c\/li\u003e\n\u003cli\u003eEnergy proportion-adjustable beam splitting and beam scanning functions\u003c\/li\u003e\n\u003cli\u003eFlat plate structure, polarization-dependent, high diffraction efficiency\u003c\/li\u003e\n\u003cli\u003eOperating wavelength: 488-1550 nm optional\u003c\/li\u003e\n\u003cli\u003ePhase period: 5 or 8 um options\u003c\/li\u003e\n\u003cli\u003eFlexible customization of parameter specifications available\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47499175755930,"sku":"PZGS25-5-780","price":1200.2,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_81_8F_E6_8C_AF_E5_85_89_E6_A0_85_E4_B8_89_E7_BA_A7_E5_88_86_E7_B1_BB_E5_9B_BE-FtYTtco9vN8vwnS0RjJftEFS9e1Z_32ad9bd6-1ae9-4498-a47f-6d60fb9d73a3.jpg?v=1772280080","url":"https:\/\/waveqvanta.com\/products\/polarization-gratings-pzgs25-5-781","provider":"WaveQuanta","version":"1.0","type":"link"}