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diff --git a/3638/CH11/EX11.6/Ex11_6.jpg b/3638/CH11/EX11.6/Ex11_6.jpg Binary files differnew file mode 100644 index 000000000..98bcef740 --- /dev/null +++ b/3638/CH11/EX11.6/Ex11_6.jpg diff --git a/3638/CH11/EX11.6/Ex11_6.sce b/3638/CH11/EX11.6/Ex11_6.sce new file mode 100644 index 000000000..955777a45 --- /dev/null +++ b/3638/CH11/EX11.6/Ex11_6.sce @@ -0,0 +1,26 @@ +//Introduction to Fiber Optics by A. Ghatak and K. Thyagarajan, Cambridge, New Delhi, 1999
+//Example 11.6
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+//given Case(i)
+lambdag=1.30e-6;//emission wavelength in m
+//Bandgap energy in eV is given by :
+Eg=1.24/(lambdag/1e-6);//Division by 10^(-6) to convert lambdag into um
+mprintf("\nCase 1: for lambda0 =1.30 um");
+mprintf("\n Eg=%f eV",Eg);//The answers vary due to round off error
+p=[0.12 -0.72 1.35-Eg];//Relation between Eg & y is given as 'Eg(y)=1.35-0.72y+0.12y^2 in eV'
+y=roots(p);
+mprintf("\n y=%f",y(2,1));//Roots are arranged in descending order & y cannot be greater than 1
+//The answers vary due to round off error
+//given Case(ii)
+lambdag=1.55e-6;//emission wavelength in m
+//Bandgap energy in eV is given by :
+Eg=1.24/(lambdag/1e-6);//Division by 10^(-6) to convert lambdag into um
+mprintf("\nCase 2: for lambda0 =1.55 um");
+mprintf("\n Eg=%f eV",Eg);//The answers vary due to round off error
+p=[0.12 -0.72 1.35-Eg];//Relation between Eg & y is given as 'Eg(y)=1.35-0.72y+0.12y^2 in eV'
+y=roots(p);
+mprintf("\n y=%f",y(2,1));//Roots are arranged in descending order & y cannot be greater than 1
+//The answers vary due to round off error
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