Rotationally symmetric beam shaping in the fractional Fourier transform domain

Authors
Zhang, Y Gu, BY Dong, BZ Yang, GZ
Citation
Y. Zhang et al., Rotationally symmetric beam shaping in the fractional Fourier transform domain, OPTIK, 110(2), 1999, pp. 61-65
Citations number
22
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Optics & Acoustics
Journal title
OPTIK
ISSN journal
00304026 → ACNP
Volume
110
Issue
2
Year of publication
1999
Pages
61 - 65
Database
ISI
SICI code
0030-4026(1999)110:2<61:RSBSIT>2.0.ZU;2-0
Abstract
In this paper, an optimal design approach for the diffractive phase element s (DPE's) that implement rotationally symmetric Gaussian beam shaping in th e fractional Fourier transform (FRFT) domain is presented. Simulation desig n results for converting a rationally symmetric Gaussian beam into a unifor m circular top-hat beam are detailed for several different orders of FRFT. The good uniformity and roll-off characteristics of the output beam can be obtained with our method.