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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1883/CH3/EX3.4.3 | |
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initial commit / add all books
Diffstat (limited to '1883/CH3/EX3.4.3')
| -rwxr-xr-x | 1883/CH3/EX3.4.3/Example3_11.sce | 32 |
1 files changed, 32 insertions, 0 deletions
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)
+
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