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diff --git a/3638/CH11/EX11.3/Ex11_3.sce b/3638/CH11/EX11.3/Ex11_3.sce new file mode 100644 index 000000000..26a94b810 --- /dev/null +++ b/3638/CH11/EX11.3/Ex11_3.sce @@ -0,0 +1,13 @@ +//Introduction to Fiber Optics by A. Ghatak and K. Thyagarajan, Cambridge, New Delhi, 1999
+//Example 11.3
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+//given
+R1=0.99;//reflection coefficient of mirror 1
+R2=0.9;//reflection coefficient of mirror 2
+l=10;//Distance between the two mirrors in cm
+alpha=0;//average loss coefficient per unit length of resonator in cm^(-1)
+Vth=alpha-log(R1*R2)/(2*l);//Corresponding threshold gain coefficient in cm^(-1)
+mprintf("\n The threshold gain coefficient = %e cm^-1",Vth);//The answers vary due to round off error
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