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diff --git a/3822/CH3/EX3.4/Ex3_4.jpg b/3822/CH3/EX3.4/Ex3_4.jpg Binary files differnew file mode 100644 index 000000000..fb190968d --- /dev/null +++ b/3822/CH3/EX3.4/Ex3_4.jpg diff --git a/3822/CH3/EX3.4/Ex3_4.sce b/3822/CH3/EX3.4/Ex3_4.sce new file mode 100644 index 000000000..eb66f500d --- /dev/null +++ b/3822/CH3/EX3.4/Ex3_4.sce @@ -0,0 +1,20 @@ + + +//Optoelectronics and Fiber Optics Communication by C.R. Sarkar and D.C. Sarkar
+//Example 3.4
+//OS = Windows 7
+//Scilab version 5.5.2
+
+clc;
+clear;
+
+//given
+a=4*10^-6;//radius in m
+n1=1.5;//core refractive index
+lamda=1.55*10^-6;//operating wavelength in m
+delta=0.003;//relative refractive index difference between core and cladding
+c=(2*delta)^0.5;//constant value
+lamdac=(c*2*%pi*a*n1)/2.405;//cut off wavelength for mono mode
+Rcs=(20*lamda)/((delta)^1.5)*((2.748-((0.996)*(lamda/lamdac)))^-3);//critical radius of curvature
+mprintf("\n Critical radius of curvature is= %.2fmm",Rcs*1e3);//multiplication by 1e3 to convert unit to mm//the answer given in textbook is wrong
+
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