Anti-Halation Photoelectric Glass
Anti-halo photoelectric glass is a special key material for low-light night vision devices. It has high transmittance for UV, visible and near-infrared in the effective area, while forming a high-efficiency absorption layer with no reflective interface around it. The high-efficiency absorption layer is formed by special treatment of the glass substrate surface and has extremely strong absorption of stray light, thereby eliminating halos and improving image clarity.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Active Area Diameter | Φ12~60mm |
| Thermal Expansion Coefficient (20~300 °C) | （50±2）×10-7/℃ |
| Softening Temperature (10^7.6 Poise) | (610±5)℃ |
| Refractive Index | 1.4960 |
| Interface Reflectance | (400~1100nm):＜0.5% |
| Clear Area Transmittance (2) | 350nm~400nm transmittance: >90%; 400nm-1000nm transmittance: >92% |
| Absorption Layer Transmittance | <0.5%; transmittance 350nm~800nm: 0%; transmittance 800nm~1000nm: <2% |
| Shock Resistance | 1200G |
Applications
Datasheet
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Supplier Information
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