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Diffstat (limited to '3875/CH9/EX9.1/Ex9_1.sce')
| -rw-r--r-- | 3875/CH9/EX9.1/Ex9_1.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3875/CH9/EX9.1/Ex9_1.sce b/3875/CH9/EX9.1/Ex9_1.sce new file mode 100644 index 000000000..c55b2a328 --- /dev/null +++ b/3875/CH9/EX9.1/Ex9_1.sce @@ -0,0 +1,15 @@ +clc;
+clear;
+d=60 // diameter in micrometer
+n1=1.48 //core refractive index
+n2=1.41 //cladding refractive index
+lambda=0.8 //wavelength of light source in micrometer
+
+//calculation
+
+NA=sqrt(n1^2-n2^2) //numerical aperture
+V=(%pi*d*NA)/lambda //normalized frequency in cycles/sample
+M=V^2/2
+
+mprintf("The no of modes propogating in the fibre are %e",M)
+//The answer provided in the textbook is wrong.
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