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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+// Example 8.47
+// Calculation of incident optical power.
+// Page no 499
+
+clc;
+clear;
+close;
+
+//Given data
+
+h=6.62*10^-34; // Planck constant
+c=3*10^8; // velocity of light
+lambda=1.55*10^-6; // Wavelength
+B=400*10^6; // Speed of communication
+
+// Maximum repeater spacing
+P=(36*h*c*B)/lambda;
+P=10*log10(P/10^-3);
+
+
+//Displaying results in the command window
+printf("\n Incident optical power(in nW) = %0.3f ",P);
+
+
+// The answers vary due to round off error