| Date 06/09/2010 |
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| Script S2_2_19.m | |||
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%==============================================
%Image intensity %============================================== % %the radius of the circular aperture in m r=0.01; %the intensity in watt/square meter I=3.1831e+005; %area of the aperture Sc=pi*r^2; %the power P at the circular aperture P=I*Sc %diameter d of the lens d=0.04; %its area SL=pi*(d/2)^2 %the intensity on the lens IL=P/SL %z and f in m z=-0.2; f=0.08; %the distance zp of the image zp=(z*f)/(z+f) %the radius of the image rp=zp*r/z %area of the image SI=pi*rp^2 %its intensity in watt/square meter IS=P/SI %============================================== % |
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