{"product_id":"new-edmund-optics-68-532-uncoated-silicon-crystal-protective-window-50mm-dia","title":"NEW Edmund Optics 68-532 Uncoated Silicon Crystal Protective Window 50mm Dia","description":"\u003ch1\u003eNEW Edmund Optics 68-532 Uncoated Silicon Crystal Protective Window 50mm Dia\u003c\/h1\u003e\u003cp\u003e Brand: Edmund Optics  Stock Number: 68532  Substrate Material: Optical Grade Silicon (Si)  Coating: Uncoated  Window Diameter: 50.00 mm (+0.0\/-0.1 mm tolerance)  Window Thickness: 3.00 mm (+\/-0.1 mm tolerance)  Clear Aperture: 45.00 mm (90 percent of overall diameter)  Wavelength Range: 1200 to 7000 nm (1.2 to 7.0 microns)  Parallelism: Less than 3 arcminutes  Surface Quality: 60-40 Scratch-Dig  Density: 2.33 grams per cubic centimeter  Knoop Hardness: 1150 kilograms per square millimeter\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":46108679176328,"sku":"F-120-RBJ-6-DB","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1919\/1299\/files\/5271937_e9c46ce2-70a7-4190-a55b-7f17b5a78fd40.jpg?v=1781316777","url":"https:\/\/vbindustrialsupply.com\/products\/new-edmund-optics-68-532-uncoated-silicon-crystal-protective-window-50mm-dia","provider":"VB Industrial Supply","version":"1.0","type":"link"}