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:  sales@cnilaser.com
Beam Expander
 

Beam Expander

 

A beam expander is any optical system designed to increase the diameter of a laser beam. In most cases, the term is taken to mean a telescope designed to take a small-diameter collimated beam input beam and produce a larger diameter collimated output beam, thus reducing the divergence of the beam. The beam expander consists of a negative input lens and a positive objective. The expansion factor is the ratio of the focal length of the two lenses.
 

 

Features

Applications

  • Low power loss

  • Good output collimation

  • Able to withstand laser power of more than 1000 W

  • Adjustable divergence angle of 18 to 32 mrad with the variable beam expanders

  • Precision laser machining: capable to provide a high power density focal spot.

  • Laser range finder: capable to provide a highly collimated beam.

  • Combining with a spatial filter, able to modify laser power distribution.

 

 
BE Series Beam Expander for Beam Size of ≤2mm Diameter
 

Specifications

Part No.

Expansion ratio

Dimensions  (mm)

BE-2x

2X

Φ25*50

BE-3x

3X

Φ42*87.8

BE-4x 4x Φ42*87.8
BE-5x

5X

Φ42*87.8
BE-8x 8x Φ56*150.8
  BE-10x

10X

Φ56*150.8

  BE-15x 15x Φ56*195.8

   

   
BEW Series Beam Expander for Beam Size of 4-10mm Diameter
   

Specifications

Part No.

Expansion ratio

Dimensions  (mm)

BEW-2x

2X

Φ29*51

BEW-3x

3X

Φ36*74

BEW-5x

5X

Φ46*109

  BEW-10x

10X

Φ86*197

 
 
Note:  These series beam expander are offered for UV, visible and infrared lasers respectively. Please let me know which wavelength you want before order.
 
 

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

Tel:+86-431-85603799     Fax:+86-431-87020258     E-mail: sales@cnilaser.com

 
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