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Propagation properties of Bessel and Bessel–Gaussian beams in a fractional Fourier transform optical system

✍ Scribed by Chengliang Zhao; Kaikai Huang; Xuanhui Lu

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
537 KB
Volume
42
Category
Article
ISSN
0030-3992

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The apertured fractional Fourier transform (FRFT) system is introduced and applied to treat the propagation of Hermite-cosh-Gaussian beams. Based on the fact that a hard aperture function can be expanded into a finite sum of complex Gaussian functions, the approximate analytical expressions for the