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 |