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//Chapter-3,Example 3_15,Page 3-24
clc()
//Given Data:
n1=1.45 //R.I.of core
n2=1.40 //R.I. of cladding
//Calculations:
NA=sqrt(n1^2-n2^2) //Numerical Aperture
printf('Numerical Aperture of Fibre is =%.4f \n \n',NA)
theta0=asin(NA)*180/%pi //Acceptance angle of fibre
printf(' Acceptance angle of Fibre is =%.2f degrees \n',theta0)
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