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Beamage-M² User Manual
Revision 6
34
Figure 5-34
: Calculation results of the focused beam after the lens
5.4.3. M
2
Calculation
M²
: Calculated M
2
value of the beam as defined in section 4.
BPP
: Beam Parameter Product, defined as the product of the measured divergence times the waist
diameter size:
𝐵𝑃𝑃 = θ ∗ 𝑤
0
=
𝐷𝑖𝑣
2
∗
𝑑
0
2
.
Figure 5-35
:
M
2
and BPP results
5.4.4. Definition scheme
Illustration detailing the values found in the
M² Results
tab.
Figure 5-36
: Gaussian beam parameters schematic before and after the lens