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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+// Example no. 2.12
+// To find the delay between the shortest and longest path.
+// Page no. 81
+
+clc;
+clear;
+
+// Given data
+NA=0.2; // Numerical aperture
+L=2*10^3; // Fiber length in meters
+n1=1.45; // Core refractive index
+delta=(NA)^2/(2*n1^2); // Relative index difference
+n2=n1; // since difference between core index and cladding index is smaller
+c=3*10^8; // Speed of ligth in m/s
+
+// The delay between the shortest and longest path.
+deltaT=((n1^2*L*delta)/(c*n2)); // the delay between the shortest and longest path.
+
+// Displaying the result in command window
+printf('\n The delay between the shortest and longest path = %0.2f ns',deltaT*10^9);