this is not easy though...... ]B' WHavz0knf[ 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, M
+q7h+HP 9TS=> 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......... U.h PC3 ]-LE'Px| For thsoe who knows it better, please have some input. I am rather curious, too!! Thanks!!
Hi, hopebox, %d\+(:uu/ S|w] Q Thanks for your reply. Really like those words “guess”, “doubt”… )`7h,w
J[1 H hH'\-[t For your curiosity, have good luck! ,R6$SrNcd l(4./M MANG2004 V7i`vo3Cc