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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3547/CH3/EX3.9/Ex3_9.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3547/CH3/EX3.9/Ex3_9.sce')
| -rw-r--r-- | 3547/CH3/EX3.9/Ex3_9.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3547/CH3/EX3.9/Ex3_9.sce b/3547/CH3/EX3.9/Ex3_9.sce new file mode 100644 index 000000000..a8ca77c3c --- /dev/null +++ b/3547/CH3/EX3.9/Ex3_9.sce @@ -0,0 +1,26 @@ +// Example no.3.9
+// To calculate a) the frequency separation between modes (b) the wavelength separation between modes
+// Page no.133
+
+clc;
+clear;
+
+// Given data
+lambda=1.3*10^-6; // Laser diode operating wavelength
+L=300*10^-6; // Cavity length
+n=3.5; // Refractive index of active region
+c=3*10^8; // Speed of ligth in air (m/s)
+
+// a)The frequency separation between modes
+deltaf=c/(2*n*L); // The frequency separation between modes in GHz
+
+// Displaying the result in command window
+printf('\n The frequency separation between modes = %0.1f GHz',deltaf*10^-9);
+
+// (b)The wavelength separation between modes
+deltalambda=(lambda^2*deltaf)/c; // The wavelength separation between modes
+
+// Displaying the result in command window
+printf('\n The wavelength separation between modes = %0.1f nanometer',deltalambda*10^9);
+
+// The wrong unit is givan in book
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