{"id":390,"date":"2019-03-04T07:56:53","date_gmt":"2019-03-04T07:56:53","guid":{"rendered":"http:\/\/www.shalomeo.com\/blog\/?p=390"},"modified":"2019-03-04T07:56:53","modified_gmt":"2019-03-04T07:56:53","slug":"silicon-si-windows","status":"publish","type":"post","link":"https:\/\/www.shalomeo.com\/blog\/silicon-si-windows\/390.html","title":{"rendered":"Silicon (Si) Windows"},"content":{"rendered":"<ul>\n<li><b> <\/b><strong><b>Transmits wavelength range 1.2-7 \u03bcm <\/b><\/strong><\/li>\n<li><b> <\/b><strong><b>Ideal for weight sensitive applications<\/b><\/strong><\/li>\n<li><b> <\/b><strong><b>Cheaper than germanium and ZnSe<\/b><\/strong><\/li>\n<\/ul>\n<p><a href=\"http:\/\/www.shalomeo.com\/category\/ir-windows-6_2.html\"><strong><b>Silicon (Si) Windows<\/b><\/strong><\/a>\u00a0manufactured from optical grade silicon are popular for the 1.2 &#8211; 7\u03bcm spectral region due to their low cost and low density. Due to its low density (half that of germanium or zinc selenide), silicon is ideal for weight sensitive applications, especially those in the MWIR <strong>thermal imaging<\/strong> \u00a03 &#8211; 5\u03bcm region. Density is 2.329 g\/cm3 and Knoop Hardness is 1150, making it harder and less brittle than germanium.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-391\" src=\"http:\/\/www.shalomeo.com\/blog\/wp-content\/uploads\/2019\/03\/Silicon-Si-Windows123-300x214.png\" alt=\"\" width=\"300\" height=\"214\" srcset=\"https:\/\/www.shalomeo.com\/blog\/wp-content\/uploads\/2019\/03\/Silicon-Si-Windows123-300x214.png 300w, https:\/\/www.shalomeo.com\/blog\/wp-content\/uploads\/2019\/03\/Silicon-Si-Windows123.png 350w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<table style=\"height: 625px;\" width=\"577\">\n<tbody>\n<tr>\n<td colspan=\"2\" width=\"534\"><strong><b>Specifications <\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Materials<\/td>\n<td width=\"401\">Silicon crystals<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Diameter Range<\/td>\n<td width=\"401\">~ 300mm<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Aperture<\/td>\n<td width=\"401\">&gt;90%<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Dimension Tolerance<\/td>\n<td width=\"401\">+0.0\/-0.2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Thickness Tolerance<\/td>\n<td width=\"401\">+\/-0.2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Surface Quality<\/td>\n<td width=\"401\">80\/50 S\/D<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Parallelism<\/td>\n<td width=\"401\">1 arc minute<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Chamfer<\/td>\n<td width=\"401\">0.3-0.5mmx45degree<\/td>\n<\/tr>\n<tr>\n<td width=\"133\">Coating<\/td>\n<td width=\"401\">AR\/AR or DLC\/AR<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Transmits wavelength range 1.2-7 \u03bcm Ideal for weig &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[54,125,126],"_links":{"self":[{"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/posts\/390"}],"collection":[{"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/comments?post=390"}],"version-history":[{"count":0,"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/posts\/390\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/media?parent=390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/categories?post=390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shalomeo.com\/blog\/wp-json\/wp\/v2\/tags?post=390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}