| mang2004 |
2009-03-25 20:36 |
toobug1, G8w<^z>pTg
vPm&0,R*y:
if you're using 2007 or later version zemax, it's easy to get laser beam M-sqare: %nTgrgS(=
~w&P]L\dB
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; 6*] g) m
q no8qF*
2) Tools --> Optimization --> Merit Function Listing: to open a text window display merit function; Op&i6V}<s
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3) Analysis --> Physical Optics -->POP: to set incident beam parameters like waist...., remember to Save your setting before POP analysis; _I$\O5
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4) You'll see M^2 on the Merit Function Listing window. i@=0fHiZQ
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In old version Zemax (before ver2007), M^2 is complicated to get, designer has to calculate manually. *o}LI6_u
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Attached is a example, hope it be helpful. Ow0-}Im~
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Let me know how thing's going. cmpT_51~O
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mang2004
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