NEW Edmund Optics 39-250 Sapphire Window 35mm Dia 1mm Thick VIS-NIR Coated

NEW Edmund Optics 39-250 Sapphire Window 35mm Dia 1mm Thick VIS-NIR Coated

Brand: Edmund OpticsPart Number / Model: 39250 (Stock 39-250)Substrate Material: Single crystal sapphire (Al2O3)Component Type: Protective Precision WindowDiameter: 35.00 mm (+/-0.25 mm tolerance)Thickness: 1.00 mm (+/-0.10 mm tolerance)Optical Coating: Dual-sided Broadband Anti-Reflection (BBAR) VIS-NIR Coating optimized for 400 – 1000 nm wavelengthsCoating Performance Metrics: Ravg less than or equal to 0.25 percent at 880 nm, Ravg less than or equal to 1.25 percent across 400 – 870 nm, and Ravg less than or equal to 1.25 percent across 890 – 1000 nmClear Aperture: Greater than or equal to 31.50 mm (90 percent of overall diameter)Surface Quality: 80-50 scratch-dig specificationParallelism: Less than or equal to 3.5 arcminutes

NOS, surplus

Product Details

This Edmund Optics part, part number 39-250, is new, unused surplus stock. See the listing photos for the packaging condition.