2022 High quality Transparent Sight Glass Sheets - High Precision Optical BK7 or UV Fused Silica Brewster Windows For Laser – LZY
2022 High quality Transparent Sight Glass Sheets - High Precision Optical BK7 or UV Fused Silica Brewster Windows For Laser – LZY Detail:
The Brewster window is usually used to polarize the laser cavity. When placed at the Brewster angle, the P polarization component of the beam will be completely transmitted, and the S polarization component will be partially reflected, thereby increasing the loss of the S component in the cavity.
Specification
| Material | BK7 or UV fused silica |
| Diameter Tolerance | +0/-0.15mm |
| Thickness Tolerance | ±0.25mm |
| Clear Aperture | >Central 85% of diameter |
| Parallelism | <5″ |
| Surface Quality | 20/10 |
| Transmitted Wavefront | λ/10 @632.8nm |
| Brewster Angle (θ) | 56.6° @588nm(BK7)
56.1° @308nm(UVFS) |
| Chamfers | <0.35mm face width ×45° |
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