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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 14, Iss. 10 — May. 15, 1989
  • pp: 479–481

Iterative encoding of high-efficiency holograms for generation of spot arrays

Michael R. Feldman and Clark C. Guest  »View Author Affiliations


Optics Letters, Vol. 14, Issue 10, pp. 479-481 (1989)
http://dx.doi.org/10.1364/OL.14.000479


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Abstract

An iterative discrete on-axis encoding method for computer-generated holograms (termed IDO encoding) has been developed. The binary IDO method employs simulated annealing to optimize the hologram phase delay and reduce sensitivity to fabrication tolerances. Computer-simulation results indicate that binary phase IDO encoding is capable of generating two-dimensional spot arrays with diffraction efficiencies larger than 70%. An experimentally fabricated hologram, designed to account for a 6% manufacturing hologram thickness tolerance, produced a 3 × 3 array of spots with 59% diffraction efficiency. The binary IDO algorithm can be employed to encode arbitrary images with twofold rotation symmetry.

© 1989 Optical Society of America

History
Original Manuscript: November 25, 1988
Manuscript Accepted: March 1, 1989
Published: May 15, 1989

Citation
Michael R. Feldman and Clark C. Guest, "Iterative encoding of high-efficiency holograms for generation of spot arrays," Opt. Lett. 14, 479-481 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-10-479

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