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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 19, Iss. 12 — Dec. 1, 2002
  • pp: 2414–2423

Arbitrary spot location diffractive beam-splitting elements

Sven Bühling and Frank Wyrowski  »View Author Affiliations

JOSA A, Vol. 19, Issue 12, pp. 2414-2423 (2002)

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Diffractive beam-splitting elements are typically designed for replicating beams on positions belonging to an equidistant grid in the spatial spectrum. The parameter of the output grid follows directly from the period of the beam-splitter transmission through the grating equation. Our objective is to develop design strategies allowing a more accurate positioning of the replicated beams. Issues occurring when the output grid parameter is decreased below the output beam width are discussed and shown to be avoidable. Furthermore, a design algorithm is introduced, which permits an arbitrary positioning of the replicated beams. This algorithm is constructed for high computational efficiency by utilizing fast Fourier transform operations in the major part of its iterations.

© 2002 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1970) Diffraction and gratings : Diffractive optics
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(220.4830) Optical design and fabrication : Systems design

Original Manuscript: May 14, 2002
Revised Manuscript: June 27, 2002
Manuscript Accepted: June 27, 2002
Published: December 1, 2002

Sven Bühling and Frank Wyrowski, "Arbitrary spot location diffractive beam-splitting elements," J. Opt. Soc. Am. A 19, 2414-2423 (2002)

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