Advanced Optical Performance: HWB850 Cut-off Glass
The HWB850 is a specialized absorption-type optical filter designed to effectively block the visible spectrum while allowing high-efficiency transmission in the near-infrared region. Its unique chemical composition ensures a sharp cut-off transition, making it an essential component for precision IR applications.
Detailed Optical Specifications
| Cut-off Wavelength (λc) | 850nm ± 10nm |
| Visible Light Absorption | > 99% (T < 1% for 400-750nm) |
| Peak IR Transmission | ≥ 85% at 850nm – 1100nm |
| Refractive Index (nd) | 1.51 – 1.54 (Specific to batch) |
| Thermal Stability | Up to 250°C (Uncoated) |
Primary Industry Applications
Our HWB850 components are trusted by engineers in the following fields:
- Night Vision Systems: Eliminating visible glare while maximizing IR sensor sensitivity.
- Biometric Security: Enhancing iris and facial recognition accuracy in low-light conditions.
- Laser Protection: Effective for 850nm-targeted signal filtering.
- Optical Remote Sensing: Precision data collection in the near-infrared spectrum.
Director’s Note for Technical Buyers:
We provide comprehensive Spectrophotometer Test Reports for every batch. If you require custom thickness (0.3mm to 10mm) or AR (Anti-Reflective) coatings, please contact our engineering team directly.
We provide comprehensive Spectrophotometer Test Reports for every batch. If you require custom thickness (0.3mm to 10mm) or AR (Anti-Reflective) coatings, please contact our engineering team directly.
Beyond Standard Specifications
Looking for HWB850 glass with specific optical coatings or non-standard shapes? Our factory supports rapid prototyping based on your technical drawings.
View Our Full Customization Capabilities & Request a Technical Quote
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