Miniature UV Fused Silica Brewster Window
Brewster windows are high-performance window components specifically designed for laser systems and polarization-optics assemblies. At Brewster-angle incidence, both the reflectance and transmittance of P-polarized light are zero, significantly reducing energy loss. Their high damage threshold, low wavefront distortion and excellent thermal stability make them widely used in high-power laser systems, resonators and polarization-control modules.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength Range [Custom UV, Visible and Near-Infrared Bands Available] | 266–2000 nm |
| Material [High Transmittance and Excellent Thermal Stability] | Fused Silica / BK7 / CaF₂ |
| Angle of Incidence (Brewster Angle) [May Vary Slightly with Material; Air-Quartz Interface] | 56.3° (Air-Quartz Interface) |
| Surface Flatness [Ensures Low Wavefront Distortion; 632.8 nm] | λ/10 @632.8 nm |
| Surface Quality [Meets Laser-Grade Optical Standards; Scratch/Dig] | 20-10 (Scratch/Dig) |
| Parallelism Error [Reduces Beam Displacement and Maintains Optical Alignment] | <10″ |
| Thickness Tolerance [Supports High-Precision Mechanical Assembly] | ±0.02 mm |
| P-Polarized Light Transmittance [Zero-Reflection Transmission of P-Polarized Light] | ≥99.8% |
| S-Polarized Light Reflectance [Provides Natural Polarization Selectivity] | 10–20% |
| Damage Threshold [For High-Power Laser Systems; 1064 nm] | >10 J/cm² @1064 nm |
| Operating Temperature [Stable and Reliable in Complex Environments] | -40°C ~ +300°C |
Datasheet
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