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Optical Engineering

Optimum focusing of Gaussian laser beams: beam waist shift in spot size minimization
Author(s): Yajun Li; Joseph Katz
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Paper Abstract

Beam waist shift in optimum focusing of Gaussian beams is investigated under different conditions. We show that the minimum spot size on a target is only distinct from the beam waist when the target distance is fixed and either the lens focal length, the input beam waist, or the wavelength is varied.

Paper Details

Date Published: 1 April 1994
PDF: 4 pages
Opt. Eng. 33(4) doi: 10.1117/12.158232
Published in: Optical Engineering Volume 33, Issue 4
Show Author Affiliations
Joseph Katz, Symbol Technologies, Inc. (United States)

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