M2 laser beam propagation analyzer

Ophir Photonics, a Newport Corp. brand, has released its newest version of the M2-200s camera-based beam propagation analyzer, which automatically measures laser beam quality in less than 2 min.

M2-200s camera-based beam propagation analyzer from Ophir Photonics
M2-200s camera-based beam propagation analyzer from Ophir Photonics

North Logan, UT - Ophir Photonics, a Newport Corp. brand, has released its newest version of the M2-200s camera-based beam propagation analyzer, which automatically measures laser beam quality in less than 2 min. The latest version features a new motor controller that decreases noise from motor movement by 30 percent and a CCD camera for use with 266-1300nm pulsed or continuous-wave (CW) lasers. The system automatically measures M2, beam waist location and width, divergence, astigmatism, asymmetry ratio, and the Rayleigh range for each axis. Input beam sizes can range from 0.5 to 10mm. Manual mode is available for beams that are too large or too small, or for wavelengths outside the standard optical train. The analyzer is fully ISO 11145-compliant, using a fixed position lens and moving detector to allow measurement of M2 values whether the laser beam is diverging or converging. Its software displays a 2D or 3D beam profile of the currently measured point in the beam propagation curve. After each run, the beam profile of any individual measured point can be observed. Outlying or anomalous points can be automatically or manually excluded from the curve fit calculations for more accurate results. The software is based on the company's patented UltraCal calibration method and auto aperturing, which is said to exclude noise beyond the wings of the laser beam and assure high-accuracy measurements.

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