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- Brewster Windows
- Brewster Window
Brewster Window
Wuhan Union Optic, Inc
OVERVIEW
Zero reflection for p-polarization
20% reflectance for s-polarization
Uncoated, high damage threshold
Used in laser cavities
SPECIFICATION
- Substrate Material: BK7, Fused Silica
- Surface Quality (Scratch-Dig): 20-10
- Wavefront Distortion: <= Lambda/10
- Diameter (Minor Axis): 25 mm
- Thickness: 2 mm
KEY FEATURES
Material BK7 Grade A, UV Grade Fused Silica
Dimension Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.2mm
Clear Aperture >90%
Parallelism <10 arc seconds
Surface Quality 20/10
Wavefront Distortion <λ/10@633nm
Chamfer Protected <0.5mmx45deg
Coating None
Damage Threshold >20J/cm2, 20ns, 20Hz, @1064nm
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