Optical windows are optical glass with ground and polished faces that are relatively parallel. They are used as a protective element between two environments and their impact on the passage of visible light is neutral.
|Parallelism||10 are Seconds|
|Surface accuracy||λ/10 per 25mm|
|Surface Quality||10-5 scratch and dig|
|Bevel||0.1 X 45 degree|
|Coating||None, AR, Mirror|