toobug1, cY5&1Shb~
n41#
if you're using 2007 or later version zemax, it's easy to get laser beam M-sqare: KhR3$|fH<
clvg5{^q[
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; ^Q8yb* MN
oMbd1uus
2) Tools --> Optimization --> Merit Function Listing: to open a text window display merit function; * :L"#20:R
BN 9e S
3) Analysis --> Physical Optics -->POP: to set incident beam parameters like waist...., remember to Save your setting before POP analysis; >?^oxB"<Gc
rH7Cv/Y
4) You'll see M^2 on the Merit Function Listing window. _lv{ 8vf1B
;%n' k
In old version Zemax (before ver2007), M^2 is complicated to get, designer has to calculate manually. qyRN0ZB"A^
m9[ 7"I
Attached is a example, hope it be helpful. / b,>fK^
</25J((
' 4'Z
Let me know how thing's going. :rb;*nY!
&wQ;J)13
mang2004
