A laser beam has intensity (I_{0}). a. What is the intensity, in terms of (I_{0}), if a
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A laser beam has intensity \(I_{0}\).
a. What is the intensity, in terms of \(I_{0}\), if a lens focuses the laser beam to \(1 / 10\) its initial diameter?
b. What is the intensity, in terms of \(I_{0}\), if a lens defocuses the laser beam to 10 times its initial diameter?
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Related Book For
College Physics A Strategic Approach
ISBN: 9780321907240
3rd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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