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

---
 1883/CH3/EX3.4.3/Example3_11.sce | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100755 1883/CH3/EX3.4.3/Example3_11.sce

(limited to '1883/CH3/EX3.4.3')

diff --git a/1883/CH3/EX3.4.3/Example3_11.sce b/1883/CH3/EX3.4.3/Example3_11.sce
new file mode 100755
index 000000000..3e4176c03
--- /dev/null
+++ b/1883/CH3/EX3.4.3/Example3_11.sce
@@ -0,0 +1,32 @@
+//Chapter-3,Example3_4_3,pg 3-11
+
+wavelength=1*10^-6                                                   //wavelength of light 
+
+r=50*10^-6                                                        //radius of core 
+
+delta=0.055                                                     //relative refractive index of fibre
+
+n1=1.48                                                       //refractive index of core
+
+n2=n1*(1-delta)                                                 //as    'delta= (n1-n2)/n1'
+
+printf("\nThe refractive index of cladding  n2 = %.4f \n",n2)
+
+NA=sqrt(n1^2-n2^2)                                            //numerical aperture 
+
+printf("\nThe numerical aperture N.A. = %.3f \n",NA)
+
+angle_0=asind(NA)                                          // as    N.A.=sin(angle_0)
+
+printf("\nThe acceptance angle is  angle_0 = %.2f Degree\n",angle_0)
+
+d=2*r
+
+V=%pi*d*NA/wavelength                                                //Normalized frequency of the fibre
+
+printf("\nThe normalised frequency of fibre is  V = %.2f\n",V)
+
+N=V^2/2                                                         //The number of modes
+
+printf("\nThe number of modes  = %.f \n",N)
+
-- 
cgit