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+//Optoelectronics - An Introduction, 2nd Edition by J. Wilson and J.F.B. Hawkes
+//Example 10.4
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+
+//given
+N=1000;//Number of turns of fiber
+r=0.1;//Radius of fiber in m
+Omega=15*%pi/(180*3600);//Multiplying by %pi/180 & Dividing by 3600 to convert the earth's rotation rate unit into rad/s
+Lambda0=1e-6;//Wavelength of beam in m
+c=3e8;//Speed of light in m/s
+
+A=%pi*(r^2);//Area of the fiber ring in m^2
+PhiS=8*%pi*Omega*A*N/(Lambda0*c);//Corresponding Phase shift in the beam in radians
+mprintf("\n PhiS = %.1e rad",PhiS);