Optimum focusing of Gaussian laser beams: beam waist shift in spot size minimization

Yajun Li; Joseph Katz

doi:10.1117/12.158232

1 April 1994 Optimum focusing of Gaussian laser beams: beam waist shift in spot size minimization

Yajun Li, Joseph Katz

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Optical Engineering, Vol. 33, Issue 4, (April 1994). https://doi.org/10.1117/12.158232

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.

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Yajun Li and Joseph Katz "Optimum focusing of Gaussian laser beams: beam waist shift in spot size minimization," Optical Engineering 33(4), (1 April 1994). https://doi.org/10.1117/12.158232

Published: 1 April 1994

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