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Diffstat (limited to '3547/CH2/EX2.12/Ex2_12.sce')
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1 files changed, 20 insertions, 0 deletions
diff --git a/3547/CH2/EX2.12/Ex2_12.sce b/3547/CH2/EX2.12/Ex2_12.sce new file mode 100644 index 000000000..7313ea286 --- /dev/null +++ b/3547/CH2/EX2.12/Ex2_12.sce @@ -0,0 +1,20 @@ +// 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);
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