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// Example 6.38
// Calculation of a) quantum efficiency b) responsivity
// Page no 494
clc;
clear;
close;
//Given data
e5=1.2*10^11; // No of electrons collected
e8=3.6*10^11; // No of incident photon
e=1.602*10^-19; // Charge of an electron
lambda=0.85*10^-6; // Wavelength
h=6.626*10^-34; // Planck constant
c=3*10^8; // Velocity of light
I=15*10^-6; // Photocurrent
P=0.6*10^-6;
// a)Quantum efficiency
n=e5/e8;
// b)Responsivity
R=(n*e*lambda)/(h*c);
//Displaying results in the command window
printf("\n Quantum efficiency = %0.2f ",n);
printf("\n Responsivity(in A/W) = %0.3f ",R);
// The answers vary due to round off error
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