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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 32 — Nov. 10, 1997
  • pp: 8427–8434

Encoding technique for design of zero-order (on-axis) Fraunhofer computer-generated holograms

David Mendlovic, Gal Shabtay, Uriel Levi, Zeev Zalevsky, and Emanuel Marom  »View Author Affiliations


Applied Optics, Vol. 36, Issue 32, pp. 8427-8434 (1997)
http://dx.doi.org/10.1364/AO.36.008427


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Abstract

Diffractive optical elements able to generate zero-order (on-axis) distributions with phase as well as amplitude distributions are described. The proposed elements are surface relief plates, i.e., phase-only elements, that are based on the concept of computer-generated masks followed by common etching processes. The encoding method assumes fixed spatial partitioning of the cell and a phase-only value allocated to each subelement. The reconstructed amplitude and phase distributions contain imperfections (noise) resulting from the encoding process. Methods of error reduction and improvements are provided.

© 1997 Optical Society of America

History
Original Manuscript: February 10, 1997
Revised Manuscript: May 30, 1997
Published: November 10, 1997

Citation
David Mendlovic, Gal Shabtay, Uriel Levi, Zeev Zalevsky, and Emanuel Marom, "Encoding technique for design of zero-order (on-axis) Fraunhofer computer-generated holograms," Appl. Opt. 36, 8427-8434 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-32-8427

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