toobug1, dXZP[ K#
AU`OESSI
if you're using 2007 or later version zemax, it's easy to get laser beam M-sqare: uBRw>"c_*8
VM;g +RRq
1) Editors --> Merit Function: to edit the merit function Type=POPD, Data=25 OR 26 for beam M^2; set Surf, Wave,Field per your system configuration; l C{L6 &T
N cM3P G
2) Tools --> Optimization --> Merit Function Listing: to open a text window display merit function; !E0fGh
|_I[1%&`N
3) Analysis --> Physical Optics -->POP: to set incident beam parameters like waist...., remember to Save your setting before POP analysis; #M:B3C!ouY
.EzSSU7n)
4) You'll see M^2 on the Merit Function Listing window. D;C5,rN t
J/[7d?hI/
In old version Zemax (before ver2007), M^2 is complicated to get, designer has to calculate manually. s((b"{fFb
Xj;2h{#s
Attached is a example, hope it be helpful. $w `veP
ir+8:./6
]:!8 s\#
Let me know how thing's going. ]!-R< [b
6
2;}xN! 8
mang2004
