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+
+//Optoelectronics and Fiber Optics Communication by C.R. Sarkar and D.C. Sarkar
+//Example 1.2
+//OS = Windows 7
+//Scilab version 5.5.2
+
+clc;
+clear;
+
+//given
+NA=0.3;//numerical aperture of the optical fiber
+na=1;//refractive index of air
+Alpham=(asind(NA));//acceptance angle for the meridional rays
+gamma0=45;//in degrees
+Alphasm=(asind(NA)/cosd(gamma0));//acceptance angle for skew rays
+mprintf("\n Acceptance angle for the meridional rays is= %.2f degrees",Alpham);
+mprintf("\n Acceptance angle for the skew rays is = %.2f degrees",Alphasm);
+//The answer vary due to rounding