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Help CenterGermanium Window Ge Window With 3-12um AR Coating
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Germanium window Ge window with 3-12um AR coating
Germanium is a versatile infrared material commonly used in imaging systems and instruments in the 2 to 12 microns spectral region.It is non-hygroscopic and non-toxic, has good thermal conductivity, excellentsurface hardness and good strength.It is used as a substrate for lenses and windows in the 8 to 12 or3 to 5 microns spectral region.
The coating: Anti-Reflection Coatings ,AR Coating @ 10.6μm;BBAR Coating @ 8-12μm;
The material can be Schott, or CDGM optical glass serious. They are low distortion, low scatter, and could be for laser and non-laser applications.
Material are available for BK7,JGS1,Sapphire,CaF2,MgF2,BaF2,other material as customer need.
Technical Specifications:
| Material | BK7,Fused Silica,Sapphire,CaF2,BaF2,MgF2,Silicon,Znse,Ge as customer request |
| Dimension | 5-300mm circular or square |
| Dimension Tolerance | +/-0.15mm, +/-0.2mm, +0/-0.1mm as request |
| Parallelism | 1 arc minute(standard);10 arc second (high precision) |
| Surface Quality | 10/5,20/10,60/40,40/20,80/50 |
| Flatness | lambda/4 per 25nm at 632.8nm |
| Type | Circular.Square,Wedge,Customized |
| Edge | 0.2mm*45degree,others are available upon customer request |
| Coating | Anti-Reflective (AR) Coatings,Single layer MgF2 coating,Multilayer Broadband AR Coating |
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