Fused Quartz optical Brewster window
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Brewster window plate is usually used for polarization in laser cavity. When placed at Brewster angle, the p polarization component of the beam will be completely transmitted, and the S polarization component will be partially reflected, so as to increase the loss of S component in the cavity.
Quartz glass is an ideal UV material. It has high transmittance in the range of 220nm to 2500nm, good chemical stability and radiation resistance, low expansion coefficient, low fluorescence radiation and scratch resistance.
Technical parameters
| Items | Parameters |
|---|---|
| Material | optical glass, H-K9L (N-BK7),JGS1 |
| Radius of curvature | ± 1mm - ± 50000mm ± 1% |
| Diameter | 3mm-300mm ± 0.1mm |
| Center thickness tolerance | ± 0.05mm (we can process to ± 0.01mm with high precision) |
| Center deviation | 3′(we can process to 30 ″with high precision) |
| Surface accuracy | λ/ 8 (high precision, we can process to 1 / 10λ) |
| Surface quality | 40/20 (we can process to 10-5 with high precision) |
| Effective caliber | ≥90% |
| Coating | UV AR According to the custom requirements |
spectral curve
In addition, We can customize the optical window according to customer requirements or drawings.
For details, please consult:
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