{"product_id":"new-edmund-optics-68-531-silicon-ar-coated-infrared-window-2-inch-dia-2mm-thick","title":"NEW Edmund Optics 68-531 Silicon AR Coated Infrared Window 2 Inch Dia 2mm Thick","description":"\u003ch1\u003eNEW Edmund Optics 68-531 Silicon AR Coated Infrared Window 2 Inch Dia 2mm Thick\u003c\/h1\u003e\u003cp\u003e\u003cspan class=\"citation-2887 citation-end-2887\"\u003e Brand: Edmund Optics\u003csource-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c3483152706=\"\"\u003e\u003csup _ngcontent-ng-c3483152706=\"\" class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c\/sup\u003e\u003c\/source-footnote\u003e\u003c\/span\u003e  Stock Number: 68-531  Substrate Material: Optical Grade Silicon (Si)  Coating Type: Broadband Anti-Reflection Coating on Both Sides (BBAR)  Coating Range: 3.0 to 5.0 microns (3000 to 5000 nm)  Window Diameter: 50.80 mm (2.00 inches)  Window Thickness: 2.00 mm  Parallelism: Less than 3 arcminutes  Surface Quality: 60-40 Scratch-Dig  Index of Refraction: 3.422 at 5 microns  Material Density: 2.33 grams per cubic centimeter\u003c\/p\u003e \u003cul\u003e\u003c\/ul\u003e\u003cdiv class=\"selroattributelist\"\u003e\u003c\/div\u003e\u003cdiv class=\"selroattributelist\"\u003eNOS, surplus in packaging. Packaging has wear.\u003c\/div\u003e","brand":"Edmund Optics","offers":[{"title":"Default Title","offer_id":46108677898376,"sku":"F-120-BUS-3-DB","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1919\/1299\/files\/5271945_267587a4-b663-435a-bf18-8bef0dd2efa60.jpg?v=1781316733","url":"https:\/\/vbindustrialsupply.com\/products\/new-edmund-optics-68-531-silicon-ar-coated-infrared-window-2-inch-dia-2mm-thick","provider":"VB Industrial Supply","version":"1.0","type":"link"}