this is not easy though...... >nhE%:X> MKe^_uF I guess you need to give a try as sigma indicates the projected width of 1/e squared value of the peak irrdiance in direction cosine space...... for a normally incidence it should be around ~ cosine 85. Good luck !
Hi MANG2004, 0iJ!K;A2% fVDDYo2\ I am curious about your calculation, too. Plus, the definition of σ refers to 1/e^2 width not the FWHM. Even your calculation/defintion is correct. I have a doubt that it will work when the specualr incident ray angle is not normal......... gMs+?SNHAh 2~!R*i For thsoe who knows it better, please have some input. I am rather curious, too!! Thanks!!
mang2004
2011-01-14 22:43
回楼主gmfc: <&5m N 这些公式都来自 于ZEMAX用户手册有关非序列元件散射章节,稍加研究就可得出。给我发消息留下你的邮箱,我可以把推导过程发给你。 skIiJ'db MANG2004 %kh#{*q$
mang2004
2011-01-14 22:45
Hi, hopebox, p^1zIC>F }bf=Ntk Thanks for your reply. Really like those words “guess”, “doubt”… c~}={4M] V1SqX:;b& For your curiosity, have good luck! C$<"w, 4^DVW*OiI MANG2004 o"p^/'ri