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Ge Window
Ge germanium window has a high refractive index, the application range of 2-15 microns, visible light does not penetrate, uncoated products have low transmittance, generally need to be made AR Coating to improve the transmittance of germanium window.
Ge germanium window after anti-reflection coating, the common application of the spectral range of 3-5 microns, 8-14 microns.
The hardness of germanium window window is higher than magnesium fluoride, which can be used in the field of photoelectricity, infrared thermal imager, infrared laser system, infrared optical instrument, in semiconductor, aerospace measurement and control, nuclear physics detection, optical fiber communication, infrared optics, solar cells, chemical catalysts, biomedicine and other fields have a wide range of important applications.
Germanium substrate is more sensitive to temperature changes, and the transmission properties of germanium are extremely sensitive to temperature changes, the higher the temperature, the lower the transmittance, because it is not suitable for use in a high temperature environment of > 100 degrees, and the temperature is greater than 100 degrees or even higher temperature environment, which will make the germanium substrate low transmittance or light.
The wavelength of germanium window plate below 1.5μm cannot be transmitted, and can be used as an infrared long-wave pass filter.
AR Transmission
AR 3~5μm,Tavg>97% (highest point)
AR 8~12μm,Tavg98.5%
(highest point)
AR 4~12μm,Tavg 96% (highest point)
AR&DL8~12μm,Tavg 94% (highest point)
Specifications
| 
                 Material  | 
            
                 Germanium  | 
        
| 
                 Size  | 
            
                 1-300mm  | 
        
| 
                 Tolerance  | 
            
                 +/-0.02mm  | 
        
| 
                 Parallelism  | 
            
                 <3 arc sec  | 
        
| 
                 Flatness  | 
            
                 1/10 lambda  | 
        
| 
                 Coating  | 
            
                 AR BBAR DLC  | 
        
										| Registration Date | 2023/02/21(Year/Month/Date) | 
|---|---|
| Buyer / Seller in EC21 | Seller | 
| Business Type | Manufacturer | 
| Year established | 2023 | 
| Employees total | 51 - 100 | 
| Annual revenue | Less than USD 100,000 | 
| Company | Changchun Ruike Optics Co.,Ltd | 
|---|---|
| Address | No5099 Fanrong Road,Changchun,130000,China.ChangchunJilin130000China | 
| Phone | 86 - 0431 - 1725 | 
| Homepage | www.ruikeoptics.com | 
| Contact | Doris |