
Andover抗反射涂層
Andover生產的非放射性電介質多層涂層旨在減少鍺基板在紅外線中的反射。反射從每個表面的36%減少到每個表面不到1%。這些濾光片由光學質量的鍺基板上的堅硬耐用的上表面介電涂層構成,可承受與任何高質量光學元件相關的清潔和處理。為了您的方便和經濟,我們提供兩種標準尺寸的濾光片:25 mm和50 mm直徑。但是,我們可以生產自定義尺寸和形狀,以及定制光學特性。
Andover抗反射涂層
| Thickness: | 1.0 ±.2mm |
| Diameter Tolerance: | +0/-.1mm |
| Min. Clear Aperture: | 90% of outside dimension |
| Substrate Material: | Germanium (other substrates available) |
| Flatness: | 2 waves at 632.8nm |
| Parallelism: | <10 arc minutes |
| Surface Quality: | 80/50 per MIL-C-48497A |
| Coating Quality: | 80/50 per MIL-C-48497A |
| 24-hour humidity: | per MIL-C-48497A |
| Moderate Abrasion: | per MIL-C-48497A |
| Adhesion: | per MIL-C-48497A |
| Operating Temperature: | -62°C to +71°C |
| Mechanical: | Unmounted |