1397/CH8/EX8.3/8_3.sce


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//clc();
clear;
//To calculate numerical aperture
n1=1.55;         //refractive index of core
n2=1.50;         //refractive index of cladding
n0=1;
NA=sqrt(n1^2-n2^2)/n0;
printf("numerical aperture is %f",NA);