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

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

Variable  Attenuator

 
CNI provides 3 kinds of variable attenuators for different application. The circular variable attenuator can make the optical density linearly varies around a 0°-270° circle for measuring laser energy farthest. As for the square one, the optical density linearly varies across the length for measuring laser energy. Also the high power variable attenuator is available for customization.
 
 ◆Circular variable attenuator
 

Applications: 

Detector of photon

Electronic image

Optical instrumentation

 

                   Specifications

Material BK7grade A optical glass, Fused silica
Optical Density Range OD0-OD3
Outside Diameter Φ54mm±0.25
Dimension 54*42*67mm
Linearity of Density ±5%@632.8nm
Coating S1:Ni-Cr-Fe; S2:Boardband AR coating; incidence angle:0°-15°
Clear aperture >80% diameter
Damage threshold 30W/cm2 CW
Active wavelength 400-1100 nm
Applicable power <1000 mW

 

Note: Dimension, wavelength range, OD or other request are available upon request.
 
 ◆Square variable attenuator
 

Applications: 

Electronic image

Detector of photon

Optical instrumentation

 

                   Specifications

Material BK7grade A optical glass, Fused silica
Optical Density Range OD0-OD2
Dimension 76.2*25.4*2.0mm
Linearity of Density OD±5%
Coating S1:Ni-Cr-Fe; S2:Boardband AR coating; incidence angle:0°-15°
Clear aperture >80% diameter
Damage threshold 30W/cm2 CW
Active wavelength 400-1100 nm
 
Note: Dimension, wavelength range, OD or other request are available upon request.
 
 ◆Portable variable attenuator
 

variable attenuator

Specifications: 

Dimensions: Φ33 mm ×65 (L) mm

Wavelength: 400-1100 nm (Other wavelengths can be customized)
 
 
Note: Dimension, wavelength range, OD or other request are available upon request.
 
 

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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