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| Categories | IR Optics |
|---|---|
| Brand Name: | WEIMENG |
| Model Number: | WM-M004 |
| Certification: | CE,ISO |
| Place of Origin: | Shaanxi,China(Mainland) |
| MOQ: | 10 pieces |
| Price: | Negotiation |
| Payment Terms: | T/T,Paypal |
| Supply Ability: | 1000 pieces per month |
| Delivery Time: | 8 days |
| Packaging Details: | 10*10*15cm carton packed |
| Material: | Germanium |
| Application: | IR |
| Diameter: | Customized |
| Diamater Tolearance: | +0.0,-0.1mm |
| Thickness: | Customized |
| Thickness Tolearance: | ±0.1mm |
| Chamfer: | 0.2mm*45° |
| Clear Aperture: | > 90% |
| Shape: | plano |
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 |


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