1 November 2004 Review of iterative Fourier-transform algorithms for beam shaping applications
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Optical Engineering, 43(11), (2004). doi:10.1117/1.1804543
Abstract
We present a comparison of some of the most used iterative Fourier transform algorithms (IFTA) for the design of continuous and multilevel diffractive optical elements (DOE). Our aim is to provide optical engineers with advice for choosing the most suited algorithm with respect to the task. We tackle mainly the beam-shaping and the beam-splitting problems, where the desired light distributions are almost binary. We compare four recent algorithms, together with the historical error-reduction and input-output methods. We conclude that three of these algorithms are interesting for continuous-phase kinoforms, and two, namely the three-step method proposed by Wyrowski and the over-compensation of Prongué, still perform well with multilevel- and binary-phase DOE.
Olivier Ripoll, Ville Kettunen, Hans Peter Herzig, "Review of iterative Fourier-transform algorithms for beam shaping applications," Optical Engineering 43(11), (1 November 2004). http://dx.doi.org/10.1117/1.1804543
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KEYWORDS
Computer generated holography

Beam shaping

Binary data

Diffractive optical elements

Beam splitters

Electro-optical engineering

Fourier transforms

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