{"product_id":"new-edmund-optics-63-204-fused-silica-window-20mm-dia-1-10-wave-uncoated","title":"NEW Edmund Optics 63-204 Fused Silica Window 20mm Dia 1\/10 Wave Uncoated","description":"\u003ch1\u003eNEW Edmund Optics 63-204 Fused Silica Window 20mm Dia 1\/10 Wave Uncoated\u003c\/h1\u003e\u003cp\u003e Brand: Edmund Optics  Part Number \/ Model: 63204 (Stock #63-204)  Substrate Material: UV Grade Fused Silica (FS)  Component Type: Precision Optical Flat \/ Window  Diameter: 20.00 mm (+\/-0.10 mm tolerance)  Thickness: 6.35 mm (+\/-0.10 mm tolerance)  Surface Flatness: 1\/10 wave peak-to-valley over the clear aperture  Surface Coating: Uncoated optical flat surfaces on both sides  Clear Aperture: Greater than or equal to 18.00 mm (90 percent of overall diameter)  Surface Quality: 20-10 scratch-dig laser-grade finish  Parallelism: Less than or equal to 5 arcseconds\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":46108692119688,"sku":"F-120-HLO-9-DB-1xTime","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1919\/1299\/files\/5271893_6d2905a7-0e77-4b97-97d3-c6ceb6d147c80.jpg?v=1781317113","url":"https:\/\/vbindustrialsupply.com\/products\/new-edmund-optics-63-204-fused-silica-window-20mm-dia-1-10-wave-uncoated","provider":"VB Industrial Supply","version":"1.0","type":"link"}