Changchun New Industries Optoelectronics Technology Co., Ltd.
  
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Tel: +86-431-85603799 / 89216078
Fax:    +86-431-87020258
E-mail:  sales@cnilaser.com

国内: 0431-87020257 / 89216068

 

M² Factor Measurement——M²-Meter

 
      Beam quality and it's focusing capability are very important parameters of laser, are usually characterized by M² factor. To measure the M² factor for a laser, it is testing the difference between the product of the beam diameter and divergence, and the ideal gaussian beam diffraction limit. Through derivation the computation formula is as below:
 

M²-Meter Testing Instrument: M²-Meter

 
M2-Meter
Detector material Si
Wavelength range 400-1100nm
Receiving beam diameter 20um-9mm
Testing output power range 10nW-10W(Depends on the beam diameter)

Example of the Testing Result

 

 

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