El Gawhary, O and Severini, S (2010) On the nonparaxial corrections of Bessel-Gauss beams. J OPT SOC AM A , 27 (3) 458 - 460.
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The nonparaxial corrections for Bessel-Gauss beams were derived recently using two different approaches [Borghi et al., J. Opt. Soc. Am. A 18, 1618 (2001) and Vaveliuk et al., J. Opt. Soc. Am. A 24, 3297 (2007)]. However, the two obtained results do not agree, so it is necessary to determine which method is correct. In the most recent of those papers, Vaveliuk et al. claimed that their method is correct while the method described by Borghi et al. is incorrect. In the present work, just by solving the rigorous propagation problem, we show that exactly the converse is true. (C) 2010 Optical Society of America
|Title:||On the nonparaxial corrections of Bessel-Gauss beams|
|Keywords:||MONOCHROMATIC LIGHT-BEAMS, PARAXIAL APPROXIMATION, FREE-SPACE, OPTICS|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Computer Science|
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