Shaanxi Ruichen Optoelectronic Technology Co., Ltd.
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Description:
Germanium (Ge) is widely used in far infrared wavelength, It is transparent from 2 micron to 17 mivron,
Germanium also has higher refractive index about 4 at 10.6 micron. Germanium is very popular in FLIR
and imaging applications.
Properties:
Transmission range:2000nm-17000nm
Density:5.33g/cm3
Thermal Expansion coefficient:5.5*10-6/K
Specification:
| Name | Optical Ge Window |
| Diameter Tolearance | +0.0/-0.02mm |
| Thickness tolearance | +/-0.1mm |
| Clear aperture | > 90% |
| Parallelism | ＜1 arc min |
| Surface quality | 40/20 |
| Flatness | λ/4 |
| Coating | Upon your request |
