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diff --git a/3822/CH2/EX2.5/Ex2_5.jpg b/3822/CH2/EX2.5/Ex2_5.jpg Binary files differnew file mode 100644 index 000000000..cacc7066c --- /dev/null +++ b/3822/CH2/EX2.5/Ex2_5.jpg diff --git a/3822/CH2/EX2.5/Ex2_5.sce b/3822/CH2/EX2.5/Ex2_5.sce new file mode 100644 index 000000000..bdf310075 --- /dev/null +++ b/3822/CH2/EX2.5/Ex2_5.sce @@ -0,0 +1,22 @@ + +//Optoelectronics and Fiber Optics Communication by C.R. Sarkar and D.C. Sarkar
+//Example 2.5
+//OS = Windows 7
+//Scilab version 5.5.2
+
+clc;
+clear;
+
+//given
+a=30*10^-6;//radius in m
+n1=1.50;//refractive index of the core
+n2=1.49;//refractive index of the cladding
+lamda=0.85e-6//operating wavelength in m
+V=((2*%pi*a/lamda))*sqrt(n1^2-n2^2)//V number
+M=(1/2)*V^2//no. of guided modes in fiber
+mprintf("\n No. of Guided modes is = %.0f ",M);
+PcladbyP=(4/3)*M^-0.5//power in cladding to total power
+PcorebyP=1-PcladbyP//power in core to total power
+PcorebyPclad=PcorebyP/PcladbyP//power in core to power in cladding
+mprintf("\n ratio of power in core to power in cladding is = %.0f ",PcorebyPclad);
+//The answer vary due to rounding
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