{"product_id":"t-ps859-n-sf11-equilateral-dispersive-prism-20-mm","title":"T-PS859 - N-SF11 Equilateral Dispersive Prism, 20 mm","description":"\u003cp\u003eT-PS859 - N-SF11 Equilateral Dispersive Prism, 20 mm\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/10689-E0W.pdf?v=1699924601\"\u003e\u003cstrong\u003eProduct Drawing\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eN-SF11 is a flint glass that offers excellent performance in the visible and NIR spectral range. It offers a high refractive index and low Abbe number, making it excellent for use in an equilateral dispersive prism.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePolarization Effects\u003c\/strong\u003e\u003cbr\u003eFor P-Polarized light (blue line) incident on a dispersing prism at the angle of least deviation, the graph to the right shows that only a small percentage of the P-polarized light is reflected at the surface. Thus, for this polarization, the transmission through a prism fabricated from N-SF11, a RoHS-compliant version of SF11, will be excellent even though there is no AR coating on the surface.\u003c\/p\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" class=\"SpecTable\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth valign=\"bottom\" align=\"center\" id=\"th17304EF00002\"\u003eMaterial\u003c\/th\u003e\n\u003cth align=\"center\" id=\"th17304EF00003\"\u003eMinimum Angle\u003cbr\u003eof Deviation\u003c\/th\u003e\n\u003cth valign=\"bottom\" align=\"center\" id=\"th17304EF00004\"\u003eV\u003c\/th\u003e\n\u003cth align=\"center\" id=\"th17304EF00005\"\u003eSurface Flatness\u003cbr\u003e@ 633 nm\u003c\/th\u003e\n\u003cth align=\"center\"\u003eClear\u003cbr\u003eAperture\u003c\/th\u003e\n\u003cth align=\"center\"\u003eSurface\u003cbr\u003eQuality\u003c\/th\u003e\n\u003cth align=\"center\"\u003eAngular\u003cbr\u003eTolerance\u003c\/th\u003e\n\u003cth align=\"center\"\u003eNumber of\u003cbr\u003ePolished Faces\u003c\/th\u003e\n\u003cth\u003eIndex of\u003cbr\u003eRefraction Plot\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eN-SF11\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e65.5° @ 633 nm\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e24.76\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eλ\/10\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e70%\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e40-20 Scratch-Dig\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e±5 arcmin\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e2\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/N-SF11_Index_of_Refraction_Graph_780_c7ba4e50-3264-4f04-9cd8-d18c30ca880d.gif?v=1699924716\"\u003e\u003cstrong\u003eClick\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083640512768,"sku":"T-PS859","price":280.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/10689-xl.jpg?v=1785202943","url":"https:\/\/alotechparts.com\/products\/t-ps859-n-sf11-equilateral-dispersive-prism-20-mm","provider":"Alo Tech Solutions","version":"1.0","type":"link"}