Germanium(Ge) Windows - For IR Applications
Description
Germanium windows are ideal for IR applications at a broad range of wavelengths, including use in lowerpower CO2 lasers. Germanium also has low dispersion, ideal for imaging applications.
Which type of Infrared(IR) Lens SZLaser fabricate?
Germanium(Ge), Zinc Selenide (ZnSe), Silicon, Zinc Sulfide (ZnS), Calcium fluoride (CaF₂), BaF₂
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Germanium(Ge) Windows - For IR Applications
Specifications |
|
|---|---|
| Substrate Material: | Ge |
| Antireflection Coating: | Coated, Uncoated |
| Diameter: | 3~300 mm |
| Surface Quality: | 40-20 scratch-dig, 60-40 scratch-dig, 80-50 scratch-dig |
| Surface Flatness: | Other, 1 lambda |
| Thickness: | 1~50 mm |
| Coating: | 1. Uncoated 2. AR/AR 3. DLC coating |
| Diameter Tolerance: | +0.0,-0.1mm |
| Thickness Tolerance: | +/-0.2mm |
| Parallelism: | <2 arc Min |
| Clear Aperture: | ＞90% |
| Chamfer: | Protective＜0.5mm x 45° |
Features
- High transmittance at 2-12um
- High refractive index (4.0 at 2-14um)
- Germanium is inert to air, water, alkalis, and many acids
Applications
Within the range of 2-12um, Germanium is the most commonly used material for fabricating high infrared imaging system.
- Thermal imager
- Infrared temperature instrument
- Long pass filter (for wavelengths greater than 2 µm)
- Night sight
- Armament
- Space satellite
For pricing, technical or any other questions please contact the supplier
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- No markups, no fees
- Direct contact with supplier
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2021
Frequently Asked Questions
Germanium windows are used for IR applications at a broad range of wavelengths, including use in lower-power CO2 lasers. They are also ideal for imaging applications due to their low dispersion.
Germanium has a high refractive index of 4.0 at 2-14um.
The main applications of Germanium windows include thermal imagers, infrared temperature instruments, long pass filters (for wavelengths greater than 2 µm), night sights, armament, and space satellites.
Germanium has high transmittance at 2-12um.
Yes, the dimensions and shape of Germanium windows can be customized, such as circular, square, triangle, or others. The standard sizes are also available.