{"product_id":"t-gp3518f-vph-transmission-grating-532-nm-dwl-1800-linesmm-286-aoi-50-mm-x-30-mm","title":"T-GP3518F - VPH Transmission Grating, 532 nm DWL, 1800 Lines\/mm, 28.6° AOI, 50 mm x 30 mm","description":"\u003cp\u003eT-GP3518F - VPH Transmission Grating, 532 nm DWL, 1800 Lines\/mm, 28.6° AOI, 50 mm x 30 mm\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/TTN259713-E0W.pdf?v=1691611357\"\u003e\u003cstrong\u003eProduct Drawing\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesign Wavelength (DWL) and Spatial Frequency Options:\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e532 nm: 1800 Lines\/mm\u003c\/li\u003e\n\u003cli\u003e600 nm: 600 Lines\/mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eØ1\", Ø2\", and 50.0 mm x 30.0 mm Gratings Available\u003c\/li\u003e\n\u003cli\u003eHigh First-Order Diffraction Peak Efficiency (See Tables Below)\u003c\/li\u003e\n\u003cli\u003eLow Polarization-Dependent Loss\u003c\/li\u003e\n\u003cli\u003eUniform Performance Over Broad Bandwidths (See Diffraction Efficiency Graphs Below)\u003c\/li\u003e\n\u003cli\u003eExtremely Low Scatter Between Orders (No Ghosting)\u003c\/li\u003e\n\u003cli\u003eDichromated Gelatin (DCG) Film Between Two Glass Substrates\u003c\/li\u003e\n\u003cli\u003eIdeal for Spectroscopy\u003c\/li\u003e\n\u003cli\u003eDesign Wavelength 532NM\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSpatial \u003c\/span\u003e\u003cspan\u003e\u003cspan\u003eFrequency 1800 lines\/mm \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e Angle of Incidence at the Design Wavelength \u003cspan data-mce-fragment=\"1\"\u003e28.6°\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiffraction Efficiency 450 nm: S-Pol \u0026gt; 45%; P-Pol \u0026gt; 60%\u003cbr data-mce-fragment=\"1\"\u003e532 nm: S-Pol \u0026gt; 80%; P-Pol \u0026gt; 80%\u003cbr data-mce-fragment=\"1\"\u003e650 nm: S-Pol \u0026gt; 40%; P-Pol \u0026gt; 40%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eBroadband Antireflection Coating Performance at the Specified AOI (Per Surface) \u003cspan data-mce-fragment=\"1\"\u003e400 - 700 nm\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eR\u003c\/span\u003e\u003csub data-mce-fragment=\"1\"\u003eavg\u003c\/sub\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u0026lt; 1.5%\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCover Plate Substrate N-BK7 or Equivalent\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions 50.0 mm x 30.0 mm x 6.0 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable cellspacing=\"0\" class=\"SpecTable\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003cth align=\"left\" colspan=\"2\"\u003eCommon Specifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd\u003e\u003cstrong\u003eGrating Film\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eDichromated Gelatin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCover-Plate Substrate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\n\u003cspan\u003eN-BK7 \u003c\/span\u003eor Equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eThickness Tolerance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e±0.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpatial Frequency Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e±2 lines\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAOI Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e±1°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitted Wavefront\u003cbr\u003eError (RMS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u0026lt;λ\/4 at 632.8 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Quality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e40-20 Scratch-Dig\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083731476736,"sku":"T-GP3518F","price":2592.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/TTN259713-xl.jpg?v=1785204223","url":"https:\/\/alotechparts.com\/products\/t-gp3518f-vph-transmission-grating-532-nm-dwl-1800-linesmm-286-aoi-50-mm-x-30-mm","provider":"Alo Tech Solutions","version":"1.0","type":"link"}