From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

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 401/CH3/EX3.9/Example3_9.sce | 24 ++++++++++++++++++++++++
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 create mode 100755 401/CH3/EX3.9/Example3_9.sce

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diff --git a/401/CH3/EX3.9/Example3_9.sce b/401/CH3/EX3.9/Example3_9.sce
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+//Example 3.9
+//Program to compare rms pulse broadening per kilometer due to 
+//intermodal dispersion for multimode step index fiber with that of 
+//near parabolic graded index fiber 
+
+clear;
+clc ;
+close ;
+
+//Given data
+delta=0.01;      //*100 percent - RELATIVE REFRACTIVE INDEX DIFFERENCE
+L=1;             //km - LENGTH OF OPTICAL LINK
+n1=1.5;          //CORE REFRACTIVE INDEX 
+c=2.998*10^8;    //m/s - VELOCITY OF LIGHT IN VACCUM
+
+//RMS pulse broadening /km due to intermodal dispersion for MMSI Fiber
+sigma_s=L*n1*delta/(2*sqrt(3)*c);
+
+//RMS pulse broadening /km for near parabolic graded index fiber
+sigma_g=L*n1*delta^2/(20*sqrt(3)*c);
+
+//Displaying the Results in Command Window
+printf("\n\n\t RMS pulse broadening per kilometer due to intermodal dispersion for MMSI Fiber is %0.1f ns/km.",sigma_s/10^(-12));
+printf("\n\n\t RMS pulse broadening per kilometer for near parabolic graded index fiber is %0.1f ps/km.",sigma_g/10^(-15));
\ No newline at end of file
-- 
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