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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 11 — Apr. 10, 2003
  • pp: 2003–2008

Encoding amplitude and phase information onto a binary phase-only spatial light modulator

Jeffrey A. Davis, Keevin Olea Valadéz, and Don M. Cottrell  »View Author Affiliations


Applied Optics, Vol. 42, Issue 11, pp. 2003-2008 (2003)
http://dx.doi.org/10.1364/AO.42.002003


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Abstract

We report what to our knowledge is a new technique for encoding both amplitude and phase information onto a single binary-valued spatial light modulator. In our approach, we spatially modulate the diffraction efficiency of the filter. Light that is not diffracted into the first order is sent into the zero order, effectively allowing amplitude modulation of either the first-order or zero-order diffracted light. This technique has applications in both optical pattern recognition and image processing. Experimental results are included.

© 2003 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(100.1390) Image processing : Binary phase-only filters
(200.3050) Optics in computing : Information processing
(200.4740) Optics in computing : Optical processing
(210.2860) Optical data storage : Holographic and volume memories
(230.6120) Optical devices : Spatial light modulators

History
Original Manuscript: August 29, 2002
Revised Manuscript: December 12, 2002
Published: April 10, 2003

Citation
Jeffrey A. Davis, Keevin Olea Valadéz, and Don M. Cottrell, "Encoding amplitude and phase information onto a binary phase-only spatial light modulator," Appl. Opt. 42, 2003-2008 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-11-2003

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