Description

Windows are widely used on optical systems, which are applied to isolate optical system and environment while allowing the light to pass. The material of windows must be considered first, for different material with different transmission range. Also other specifications must be considered with certain environment. We supply large of windows with different materials, including BK7 glass, other specific glass, Fused Silica, Sapphire, CaF2, K9, Borofloat, etc. Specifications: Material: BK7 or other materials Length tolerance:+/*0.*1 Width tolerance:+/*0.*1 Center thickness tolerance:0.**5mm Surface quality:****0 to ***5 Scratch/Dig Surface flatness:Parallelism<=1min~2sec Clear Apenture:*0%~**0%