
Andover抗反射涂層
Andover生產(chǎn)的非放射性電介質(zhì)多層涂層旨在減少鍺基板在紅外線中的反射。反射從每個(gè)表面的36%減少到每個(gè)表面不到1%。這些濾光片由光學(xué)質(zhì)量的鍺基板上的堅(jiān)硬耐用的上表面介電涂層構(gòu)成,可承受與任何高質(zhì)量光學(xué)元件相關(guān)的清潔和處理。為了您的方便和經(jīng)濟(jì),我們提供兩種標(biāo)準(zhǔn)尺寸的濾光片:25 mm和50 mm直徑。但是,我們可以生產(chǎn)自定義尺寸和形狀,以及定制光學(xué)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 |