1 April 1994 Optimum focusing of Gaussian laser beams: beam waist shift in spot size minimization
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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.
Yajun Li, Yajun Li, Joseph Katz, 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 . Submission:
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