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Borosilicate Windows
Features:
Low Coefficient of Expansion, Visible to Near Infrared Transmission, High Resistance to Thermal Shock.
Applications:
Projection Optics System, Imaging Optics System, Optical Measurement Systems.
Description:
Borosilicate Windows are ideal for high temperature and harsh environment applications. Unlike common borosilicate that is drawn flat, BOROFLOAT? is produced by a float technique that yields superior surface accuracy — typically 4 - 6λ per inch. BOROFLOAT? is about three times more resistant to thermal shock than standard soda lime glass.
Specifications:
Dimension Tolerance: +0.0/-0.2mm
Thickness Tolerance: ±0.2mm（General),±0.05(High Precision)
Surface Quality: 60/40（General),10/5(High Precision)
Clear Aperture: ＞90%
Flatness:λ/2@633nm（General),λ/10@633nm (High Precision)
Parallelism: <3 arc min.(General). <3 arc sec.(High Precision)
AR Coated: Uncoated, AR, HR, PR, etc.
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