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diff --git a/3638/CH2/EX2.1/Ex2_1.jpg b/3638/CH2/EX2.1/Ex2_1.jpg Binary files differnew file mode 100644 index 000000000..fcaf4dc89 --- /dev/null +++ b/3638/CH2/EX2.1/Ex2_1.jpg diff --git a/3638/CH2/EX2.1/Ex2_1.sce b/3638/CH2/EX2.1/Ex2_1.sce new file mode 100644 index 000000000..80497f19a --- /dev/null +++ b/3638/CH2/EX2.1/Ex2_1.sce @@ -0,0 +1,15 @@ +//Introduction to Fiber Optics by A. Ghatak and K. Thyagarajan, Cambridge, New Delhi, 1999
+//Example 2.1
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+//given
+P=1e-3;//power of laser beam in W
+A=3e-6;//cross-sectional area of laser beam in m^2
+I=P/A;//power per unit area of laser beam in W/m^2
+n=1;//refractive index of air medium
+c=3e8;//speed of light in air medium in m/s
+meu0=4*(%pi)*1e-7;//permeability of free space in SI units
+E0=sqrt(2*c*meu0*I/n)//Corresponding electric field in V/m
+mprintf("Electric field=%.1f V/m",E0);//The answers vary due to round off error
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