{"product_id":"new-edmund-optics-68-529-silicon-ar-coated-precision-window-50mm-dia-1mm-thick","title":"NEW Edmund Optics 68-529 Silicon AR Coated Precision Window 50mm Dia 1mm Thick","description":"\u003ch1\u003eNEW Edmund Optics 68-529 Silicon AR Coated Precision Window 50mm Dia 1mm Thick\u003c\/h1\u003e\u003cp\u003e\u003cspan class=\"citation-2567 citation-end-2567\"\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: 68529  Substrate Material: Optical Grade Silicon  Coating Type: Broadband Anti-Reflection Coating on Both Sides (S1 and S2)  Coating Range: 3 to 5 microns (3000 to 5000 nm)  Coating Performance: Average reflectance less than 3.0 percent across specified range  Window Diameter: 50.00 mm (+0.0\/-0.1 mm tolerance)  Window Thickness: 1.00 mm (+\/-0.10 mm thickness tolerance)  Surface Quality: 60-40 Scratch-Dig  Surface Flatness: 1 Lambda over central aperture  Parallelism: Less than 3 arcminutes  Clear Aperture: Greater than or equal to 90 percent of overall diameter  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\u003c\/div\u003e","brand":"Edmund Optics","offers":[{"title":"Default Title","offer_id":46108679569544,"sku":"F-120-RBJ-4-DB","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1919\/1299\/files\/5271935_53d924d8-98cc-45a9-87ea-f7d8e66feb6a0.jpg?v=1781316791","url":"https:\/\/vbindustrialsupply.com\/products\/new-edmund-optics-68-529-silicon-ar-coated-precision-window-50mm-dia-1mm-thick","provider":"VB Industrial Supply","version":"1.0","type":"link"}