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當前位置：上海倍藍光電科技有限公司>>技術文章>>Andover溫度控制濾光片的冷鏡雨熱鏡
Andover溫度控制濾光片的冷鏡雨熱鏡
冷鏡
冷鏡是熱鏡的反面，它反射可見光并透射紅外光。 它們的涂層都是**面的，并且像熱鏡一樣，也沉積在低膨脹率的材料上，例如硼硅酸鹽玻璃。 這些反射鏡通常在隨機偏振光中以45°入射角使用。
Cold Mirror General Specifications
| Thickness: | 3.0mm ±0.5mm |
| Size Tolerance: | +0.0mm/-0.5mm |
| Min. Clear Aperture: | 95% of outside dimension |
| Substrate Material: | Borosilicate glass |
| Flatness: | 5–10 waves per 25mm |
| Parallelism: | 3 arc minutes or better |
| Surface Quality: | 80/50 per MIL-O-13830 |
| Humidity and Abrasion: | Per MIL-C-67** |
| Max. Operating Temperature: | +200°C |
| Mechanical: | Unmounted |
| DESCRIPTION | PART NO. |
| Cold Mirror, 25mm diameter x 3mm thick | 645FK84-25 |
| Cold Mirror, 50mm diameter x 3mm thick | 645FK84-50 |
| Cold Mirror, 50mm x 50mm x 3mm thick | 645FK84-50S |
熱鏡
熱鏡按其名稱說明執行：它們反射熱量并透射可見光。 所有涂層均被歸類為堅硬的**表面電介質，并且將達到或超過規定的濕度和磨損規范。 為防止高溫應用導致開裂或開裂，所有涂層均沉積在低膨脹材料（例如硼硅酸鹽玻璃）上。
Hot Mirror General Specifications
| Thickness: | 3.0mm ±0.5mm |
| Size Tolerance: | +0.0mm/-0.5mm |
| Min. Clear Aperture: | 95% of outside dimension |
| Substrate Material: | Borosilicate glass |
| Flatness: | 5–10 waves per 25mm |
| Parallelism: | 3 arc minutes or better |
| Surface Quality: | 80/50 per MIL-O-13830 |
| Humidity and Abrasion: | Per MIL-C-67** |
| Max. Operating Temperature: | +200°C |
| Mechanical: | Unmounted |
| DESCRIPTION | PART NO. |
| Hot Mirror, 512mm diameter x 3mm thick | 775FW82-12.5 |
| Hot Mirror, 25mm diameter x 3mm thick | 775FW82-25 |
| Hot Mirror, 50mm diameter x 3mm thick | 775FW82-50 |
| Hot Mirror, 50mm x 50mm x 3mm thick | 775FW82-50S |