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

---
 1619/CH1/EX1.14.9/Example1_14_9.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 1619/CH1/EX1.14.9/Example1_14_9.sce

(limited to '1619/CH1/EX1.14.9')

diff --git a/1619/CH1/EX1.14.9/Example1_14_9.sce b/1619/CH1/EX1.14.9/Example1_14_9.sce
new file mode 100755
index 000000000..9b1f745a4
--- /dev/null
+++ b/1619/CH1/EX1.14.9/Example1_14_9.sce
@@ -0,0 +1,15 @@
+//Example 1.14.9
+//To find normalised frequency and the number of modes for the fibre..
+
+clc;
+clear;
+
+lamda= 0.82*10^-6;      //wavelength ofoperation.
+a= 2.5*10^-6;       //Radius of core..
+n1= 1.48;       //RI of core..
+n2= 1.46;   //RI of cladding
+NA= sqrt(n1^2-n2^2);        //Numerical Aperture..
+V= 2*%pi*a*NA/lamda;        //Normalisd frequency..
+printf('The normalised frequency is %.3f',V);
+M= V^2/2;   //The number of modes..
+printf("\n\nThe number of modes in the fibre are %.2f",M);
-- 
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