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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 /401/CH3/EX3.10 | |
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Diffstat (limited to '401/CH3/EX3.10')
| -rwxr-xr-x | 401/CH3/EX3.10/Example3_10.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/401/CH3/EX3.10/Example3_10.sce b/401/CH3/EX3.10/Example3_10.sce new file mode 100755 index 000000000..e798502bb --- /dev/null +++ b/401/CH3/EX3.10/Example3_10.sce @@ -0,0 +1,32 @@ +//Example 3.10
+//Program to estimate
+//(a)RMS pulse broadening per kilometer
+//(b)Bandwidth-Length product for the fiber
+
+clear;
+clc ;
+close ;
+
+//Given data
+NA=0.3 ; //NUMERICAL APERTURE
+n1=1.45; //CORE REFRACTIVE INDEX
+M=250*10^(-6); //s/km^2 - MATERIAL DISPERSION PARAMETER
+sigma_lambda=50*10^(-9); //metre - RMS SPECTRAL WIDTH
+L=1; //km - LENGTH OF OPTICAL LINK
+c=2.998*10^8; //m/s - VELOCITY OF LIGHT IN VACCUM
+
+//RMS pulse broadening /km due to material dispersion
+sigma_m=sigma_lambda*L*M;
+
+//RMS pulse broadening /km due to intermodal dispersion
+sigma_s=L*NA^2/(4*sqrt(3)*n1*c);
+
+//(a)Total RMS pulse broadening /km
+sigma_t=sqrt(sigma_m^2+sigma_s^2);
+
+//(b)Bandwidth-Length product
+BoptXL=0.2/sigma_t;
+
+//Displaying the Results in Command Window
+printf("\n\n\t Total RMS pulse broadening per kilometer is %0.1f ns/km.",sigma_t/10^(-12));
+printf("\n\n\t Bandwidth-Length product is %0.1f MHz km.",BoptXL/10^(9));
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