Gentec-EO Beamage-M2 - Manual (Page 28)

Beamage-M 2 User Manual Revision 2.0 28
Table 3-1 M 2 Measures Definitions
z0 Beam waist position in mm
d0 Beam waist diameter in um
ZR Rayleigh length in mm
Div Divergence in rad
M2 M 2 ISO compliant value
Delta Z Difference in M 2 between the X and Y axes
Before the lens:
The values are computed for the laser beam propagation before the converging lens. The Z
0
position is given
with respect to the lens’ position.
After the lens:
The values are computed for the laser beam propagation after the converging lens. The Z
0
position is given with
respect to the lens’ position.
Save this data in the Acquisition file:
It is possible to save all real time M 2 measurements data to a file. This is the same functionality as the standard
acquisition file from the PC-Beamage-3.0. The first step to activate the M 2 acquisition by checking the “Save this
data in the Acquisition file” in the M
2
Measures Panel.
Then, go to the Data Acquisition panel and input the desired settings. For more information, refer to the
Beamage-3.0 manual in the Data Acquisition section.