M2Beam-Laser Beam Analysis

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M2Beam-Laser Beam Analysis

Multi-axis knife edge scanning laser beam profiler extended to measurements of M²

The M² Beam provides analytical and graphical capability to measure the 2 axis M² figure of merit waist size and location of CW lasers. The M² factor is measured in accordance with the proposed ISO/CD 11 146.

Additionaly, the instrument measures the profile width, position and power of the laser beam at intersection points along the beam propagation axis.
The M² Measurement system is used with a Super BeamAlyzer™ head and a Stand Alone unit.


  • Beam Propagation (M²)
  • Beam Waist Location
  • Beam Waist Diameter
  • Divergence
  • Rayleigh Range
  • Waist Asymmetry
  • Astigmatism


Parameter Value
Spectral Range 400nm to 1100nm for Si version
800nm to 1800 nm for InGaAs version
190nm to 1100nm for UV-Enhanced version
Beam Power Range 100 uW~1W(with supplied internal filters for the Si version)
100uW~5mW for InGaAs&UV versions
Number of Knife-edges 7
Beam size 15mm diameter with lens(Si&UV versions)
7mm without lens(Si&UV versions)
3mm dia./5mm dia.without lens(InGaAs ver)
Maximum Divergence 10 mrad(no lens)
Beam Waist to lens Distance 2.0 to 2.5 meters optimum
2.0 meters minimum
Weight 2.5kg(without the Super BeamAnlyzer sensor head)
Dimensions 100×173×415mm
Mounting M6 or 1/4″ screws
Mechanical adjustment Horizontal angle:±1.5° Vertical angle:±1.5°
Cable 2.5m long

Ordering Information

Attachment for BeamAnalyzer USB Measurement System:

M2Beam-Si: – attachment for silicon range (350 – 1100nm)

M2Beam-UV: – attachment for silicon range (190 – 1100nm)

M2Beam-IR: – attachment for silicon range (800 – 1800nm)


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