| Date 06/09/2010 |
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| Script S5_2_15.m | |||
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%==============================================
%Airy disk 1 %============================================== % %Intensity in watt/(square meter) Io=100; %lens diameter and focal length in m D=20e-3 f=100e-3 %wavelength in m lambda=0.5e-6 %preliminary calculi D2=D^2; D4=D^4; cost1=1.22^2; cost2=(2*1.22)^2 f2=f^2; lambda2=lambda^2; %radius of the image beam spot on the screen r=f*1.22*lambda/D %the area of the Airy disk num1=pi*cost1*f2*lambda2; Area=num1/D2 %intensity on the disk num2=Io*D4; den2=cost2*f2*lambda2; I=num2/den2 %============================================== % |
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