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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 17, Iss. 12 — Dec. 1, 2000
  • pp: 2157–2164

Iterative optimization of phase-only diffractive optical elements based on a lenslet array

Victor Arrizón, Markus Testorf, Stefan Sinzinger, and Jürgen Jahns  »View Author Affiliations

JOSA A, Vol. 17, Issue 12, pp. 2157-2164 (2000)

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We describe the design of Fourier-type phase-only array generators. The numerical optimization employs the Fienup algorithm, where the parageometric design of the phase retardation profile, with the form of a lenslet array, is used as the initial guess of the optimization process. This approach provides designs with high performance that can be obtained with comparatively low computing effort. This is particularly true for elements generating large spot arrays. For symmetric reconstruction fields, the optimized phase profile typically has the same symmetry as that for the reconstruction field and can be easily unwrapped.

© 2000 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(090.1760) Holography : Computer holography
(200.4650) Optics in computing : Optical interconnects

Original Manuscript: August 2, 1999
Revised Manuscript: July 17, 2000
Manuscript Accepted: July 21, 2000
Published: December 1, 2000

Victor Arrizón, Markus Testorf, Stefan Sinzinger, and Jürgen Jahns, "Iterative optimization of phase-only diffractive optical elements based on a lenslet array," J. Opt. Soc. Am. A 17, 2157-2164 (2000)

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