Changchun New Industries Optoelectronics Technology Co., Ltd.
Lasers, Optics & Photonics

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Contact CNI
Tel: +86-431-85603799 / 89216078
國內: 0431-87020257 / 89216068
Fax:    +86-431-87020258
E-mail:  [email protected]
 

Linear Variable Long Wave Pass Filter

 

The thickness of the coating layer is not equal on the lens, and the long wave pass cutoff range shows a gradual change result on the lens. Commonly used in cutoff of grating multistage diffraction light, putting before CCD of optical fiber spectrometer. The quartz substrate was coated by ion sputtering to achieve minimum autofluorescence and high laser damage threshold.
CNI provide standard model size is 41.4mm×9.5mm×1mm.


        Example of application
 

 

Spectrometer structure diagram

 
                  Note:
1. Connector 5. Focusing mirror
2. Entrance slit 6. Continuously variable order sorting filter
3. Collimating mirror 7. Line scan detector (CCD)
4. Grating    

 


 
        Test curve
 

Long wave pass filter


 
 

Addr: No.888 Jinhu Road High-tech Zone,Changchun 130103, P.R.China

Tel:+86-431-85603799     Fax:+86-431-87020258     E-mail: [email protected]

 
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