From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

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 3740/CH6/EX6.5/Ex6_5.sce |  42 ++++++++++++++++++++++++++++++++++++++++++
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+//Optoelectronics - An Introduction, 2nd Edition by J. Wilson and J.F.B. Hawkes
+//Example 6.5
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+
+//given - Case(i)
+Lambda=589e-6;//wavelength of the sodium lamp in m
+DeltaNu=5.1e11;//Linewidth of the sodium D lines in Hz
+c=3e8;//Speed of light in air in m/s
+
+mprintf("\n For Sodium Lamp:");
+tc=1/DeltaNu;//Coherence time in s
+mprintf("\n tc = %.1e s",tc);
+
+Lc=tc*c;//length of emitted wave in m
+mprintf("\n Lc = %.1f mm\n",Lc/1e-3);//Division by 10^(-3) to convert into mm
+
+
+//given - Case(ii)
+DeltaNu=1500e6;//Linewidth of He-Ne laser in Hz
+c=3e8;//Speed of light in air in m/s
+
+mprintf("\n For He-Ne Laser with many operating modes:");
+tc=1/DeltaNu;//Coherence time in s
+mprintf("\n tc = %.1e s",tc);
+
+Lc=tc*c;//length of emitted wave in m
+mprintf("\n Lc = %.1f m\n",Lc);
+
+
+//given - Case(iii)
+DeltaNu=1e6;//Linewidth of He-Ne laser in Hz
+c=3e8;//Speed of light in air in m/s
+
+mprintf("\n For He-Ne Laser with single operating mode:");
+tc=1/DeltaNu;//Coherence time in s
+mprintf("\n tc = %.1e s",tc);
+
+Lc=tc*c;//length of emitted wave in m
+mprintf("\n Lc = %.1f m\n",Lc);
-- 
cgit