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(jī)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(zhí)行:它們反射熱量并透射可見光。 所有涂層均被歸類為堅(jiān)硬的**表面電介質(zhì),并且將達(dá)到或超過規(guī)定的濕度和磨損規(guī)范。 為防止高溫應(yīng)用導(dǎo)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 |