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+//Introduction to Fiber Optics by A. Ghatak and K. Thyagarajan, Cambridge, New Delhi, 1999

+//Example 12.2

+//OS=Windows XP sp3

+//Scilab version 5.5.2

+clc;

+clear;

+//given 

+rho=0.5;//responsitivity of Si PIN detector in A/W

+Vb=20;//reverse bias voltage across the detector in V

+//Case (i):

+Rl=100;//load resistor in ohms

+Pmax=Vb/(rho*Rl);//maximum value of optical power P falling on the photodetector in W

+mprintf("\n For Rl=100 Ohm:");

+mprintf("\n Pmax=%.1f mW",Pmax/1e-3)//Division by 10^(-3) to convert into mW

+mprintf("\n Vr/P = %.1f mV/mW",rho*Rl);//Bias voltage per unit power in mV/mW

+//Case (ii):

+Rl=10e3;//load resistor in ohms

+Pmax=Vb/(rho*Rl);//maximum value of optical power P falling on the photodetector in W

+mprintf("\n For Rl=10 kOhm:");

+mprintf("\n Pmax=%.1f mW",Pmax/1e-3)//Division by 10^(-3) to convert into mW

+//Bias voltage per unit power in V/mW :

+mprintf("\n Vr/P = %.1f V/mW",rho*Rl/1e3);//Division by 10^3 to convert into V/mW