THORLABS BC106-VIS - Page 86

© 2011 Thorlabs
84 Thorlabs Beam 4.0
Besides determination of the times-diffraction-limit factor M
2
the Thorlabs Beam
Propagation measurement determines the following parameters of an optical beam:
beam waist width d
0x
, d
0y
beam waist z-position z
0x
, z
0y
Rayleigh range z
Rx
, z
Ry
divergence angle
x
,
y
beam pointing direction
waist asymmetry
divergence asymmetry
astigmatism
Note
The Thorlabs Beam Quality measurement tool handles cw sources and some pulsed
sources only! For more information about pulsed laser sources read chapter Pulsed
Laser Sources .
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