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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 /1949/CH3/EX3.7 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1949/CH3/EX3.7')
| -rwxr-xr-x | 1949/CH3/EX3.7/Ex3_7.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/1949/CH3/EX3.7/Ex3_7.sce b/1949/CH3/EX3.7/Ex3_7.sce new file mode 100755 index 000000000..35db1d356 --- /dev/null +++ b/1949/CH3/EX3.7/Ex3_7.sce @@ -0,0 +1,28 @@ +//Chapter-3,Example 3_7,Page 3-21
+clc()
+
+//Given Data:
+u1=1.466 //R.I. of Core
+u2=1.46 //R.I.of Cladding
+V=2.4 //Cut off parameter
+lam=0.8*10^-6 //wavelength in meter
+
+//Calculations:
+NA=sqrt(u1^2-u2^2) //Formula to find Numerical Aperture
+printf('Numerical Aperture of Fibre is =%.2f \n',NA)
+//(printing mistake in book)printed answer is 1.13 but correct answer is 0.13
+printf('(printing mistake in book) \n \n')
+
+// V = 2*%pi*a*NA / lam
+a=V*lam/(2*%pi*NA) //core radius
+printf(' Core radius of Fibre is (a) =%.8f m \n \n',a)
+
+//w/a= 1.1
+w=1.1*a //Spot size
+printf(' Spot size of Fibre is =%.8f m \n \n',w)
+
+theta=2*lam*180/%pi/(%pi*w) //Divergence angle
+printf(' Divergence angle of Fibre is =%.2f degrees \n \n',theta)
+
+w10=lam*10/(%pi*w) //Spot size at 10 m
+printf(' Spot size at 10 m of Fibre is =%.2f m \n \n',w10)
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