Fused Silica (UV) Miniature Brewster Window
Brewster windows are high-performance window elements specially designed for laser systems and polarization optics structures. Due to incidence at the Brewster angle, both the reflection and transmission of P-polarized light approach zero, thereby significantly reducing energy loss. With their high damage threshold, low wavefront distortion and excellent thermal stability, Brewster windows are widely used in high-power laser systems, resonant cavities and polarization control modules.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength Range - Technical Specifications | 266–2000 nm |
| Operating Wavelength Range - Description | Customizable UV, visible and near-infrared bands |
| Material - Technical Specifications | Fused silica / BK7 / CaF2 |
| Material - Description | High transmittance and excellent thermal stability |
| Angle of Incidence (Brewster Angle) - Specifications | 56.3° (air-quartz interface) |
| Angle of Incidence (Brewster Angle) - Description | May vary slightly depending on material |
| Surface Flatness - Technical Specifications | λ/10 @632.8 nm |
| Surface Flatness - Description | Ensures low wavefront distortion |
| Surface Quality - Technical Specifications | 20-10 (scratch/dig) |
| Surface Quality - Description | Meets laser-grade optical standards |
| Parallelism Error - Technical Specifications | <10″ |
| Parallelism Error - Description | Reduces beam offset and maintains optical alignment |
| Thickness Tolerance - Technical Specifications | ±0.02 mm |
| Thickness Tolerance - Description | Supports high-precision mechanical assembly |
| P-Polarization Transmittance - Specifications | ≥99.8% |
| P-Polarization Transmittance - Description | Achieves zero-reflection transmission of P-polarized light |
| S-Polarized Reflectivity-Technical Specifications | 10–20% |
| S-Polarized Reflectivity-Description | Provides natural polarization selectivity |
| Damage Threshold - Technical Specifications | >10 J/cm^2 @1064 nm |
| Damage Threshold - Description | Suitable for high-power laser systems |
| Operating Temperature - Technical Specifications | -40°C ~ +300°C |
| Operating Temperature - Description | Stable and reliable in complex environments |
Applications
Datasheet
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