Propagation of anisotropic Bessel-Gaussian beams: sidelobe control, mode selection, and field depth |
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Authors: | Li Y Gurevich V Krichever M Katz J Marom E |
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Affiliation: | Symbol Technologies, Incorporated, One Symbol Plaza, Holtsville, New York 11742, USA. li@symbol.com |
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Abstract: | Theoretical topics encountered in engineering analysis of diffraction-free beams are addressed. These topics are the following: synthesizing a class of diffraction-free beams with noncircular transverse irradiance distributions, e.g., elliptical beams; the effect of Gaussian apodization on sidelobe control; and mode selection that allows one to synthesize a nearly diffraction-free beam with a certain depth of field. The focusing properties of Bessel-Gaussian beams will be investigated the future. |
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