DIFFR2 Physical basis of diffraction
by Chuck DiMarzio Northeastern University 2010
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Contents
Start
samplesize=200; lambda=1; fcount=0; % for generating figure numbers for d=[12,6,3,1.5]; fcount=fcount+1; % for generating figure numbers z=50; x1=(sum(rand(5,samplesize))/5-1/2)*d/2; theta=(sum(rand(5,samplesize))/5-1/2)*2/pi*lambda/d; x2=x1+theta*z; x=[x1;x2]; fig(fcount)=figure(fcount);plot([0,z],x,'k','LineWidth',1); axis([0,z,-10,10]) xlabel('z, Axial Distance, \mu m'); ylabel('x, Transverse Distance, \mu m'); legend(['Gaussian Beam, d_0 = ',num2str(d),' \mu m, \lambda = ',... num2str(lambda),' \mu m.'],'Location','SouthWest'); %%%%% remove this print('-depsc',[epspath,'8-',num2strz(fcount,2),'-diffr']); end;



