12.5mm Diameter, 850nm Cut-On SWIR Longpass Filter

Product Details Block Visible Wavelengths Ideal for Machine Vision Applications Can Be Used as Cold Mirrors Additional Longpass Edge Filters Available Designed to pass short-wave infrared (SWIR) wavelengths while blocking visible light, TECHSPEC SWIR Longpass Filters are ideal for increasing the image quality of InGaAs cameras in a variety of machine vision applications. These longpass edge filters are offered in multiple sizes and cut-on wavelengths. TECHSPEC SWIR Longpass Filters can also be used as extended cold mirrors to eliminate damage or adverse effects caused by heat build-up. Specifications General Type: Longpass Filter Physical & Mechanical Properties Diameter (mm): 12.50 Thickness (mm): 1.20 ±0.15 Dimensional Tolerance (mm): +0.0/-0.2 Optical Properties Cut-On Wavelength (nm): 850.00 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More BOROFLOAT Coating: Traditional Coated Rejection Wavelength (nm): 350 – 835 Surface Quality: 80-50 Transmission Wavelength (nm): 880 – 2500 Cut-On Wavelength (μm): 0.85 Coating Specification: T avg <0.5% @ 350 - 835nm T avg >85% @ 880 – 1700 nm T avg >75% @ 1700 – 2500nm Wavelength Range (nm): 350 – 2500 Surface Flatness (P-V): 4 – 6λ Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 253: Compliant ×