... filter from 200nm to 2500nm.The optical filter glass is the glass material used in the lens, prism, ... the follows: Uncolored optical glass, colored optical glass, laser glass, radiation resistance laser glass, radiation protection laser glass and quartz glass. cut-off type: block ... ≤0.1≤0.9Infrared Transmissive,Visible and Absorb glass Technical Indexes and Class Of Bubble,Stripe,StressTypeThickness( ...