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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 /3740/CH6/EX6.7/Ex6_7.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3740/CH6/EX6.7/Ex6_7.sce')
| -rw-r--r-- | 3740/CH6/EX6.7/Ex6_7.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3740/CH6/EX6.7/Ex6_7.sce b/3740/CH6/EX6.7/Ex6_7.sce new file mode 100644 index 000000000..f8f1383aa --- /dev/null +++ b/3740/CH6/EX6.7/Ex6_7.sce @@ -0,0 +1,23 @@ +//Optoelectronics - An Introduction, 2nd Edition by J. Wilson and J.F.B. Hawkes
+//Example 6.7
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+
+//given
+Lambda=10.6e-6;//Wavelength of the laser in m
+f=200e-3;//Focal length of the lens in m
+D=50e-3;//Diameter of aperture of focusing lens
+
+rs=2*Lambda*f/(%pi*D);//Radius of the focused spot in m
+mprintf("\n rs = %.1f um",rs/1e-6);//Dividing by 10^(-6) to convert to um
+//The answers vary due to round off error
+
+//Let the ratio w(z)/w0 be w
+w=1.1;
+w0=rs;//Also given
+
+z=%pi*w0^2/Lambda*sqrt((w^2)-1);//Depth of focus in m
+mprintf("\n z = %.2f mm",z/1e-3);//Dividing by 10^(-3) to convert to mm
+//The answers vary due to round off error
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