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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 29 — Oct. 10, 2000
  • pp: 5337–5346

Edge enhancement and edge-enhanced correlation with photorefractive polymers

Partha P. Banerjee, Esam Gad, Tracy Hudson, Deanna McMillen, Hossin Abdeldayem, Donald Frazier, and Kenji Matsushita  »View Author Affiliations


Applied Optics, Vol. 39, Issue 29, pp. 5337-5346 (2000)
http://dx.doi.org/10.1364/AO.39.005337


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Abstract

We demonstrate a simple all-optical realization of programmable edge enhancement and edge-enhanced correlation using novel photorefractive polymers. We show that the higher non-Bragg order in a two-beam coupling scheme contains the edge enhancement of the object when placed in the path of one of the incident beams. Also, this arrangement provides a scheme for writing joint transform correlation dynamic holograms, which can be read by a third beam. The correlation is edge enhanced, and the correlation peak increases with the applied bias voltage. Numerical results without and with beam fanning are presented. Theoretical predictions are reconciled with experimental results.

© 2000 Optical Society of America

OCIS Codes
(090.2900) Holography : Optical storage materials
(100.2980) Image processing : Image enhancement
(100.4550) Image processing : Correlators
(190.5330) Nonlinear optics : Photorefractive optics
(190.7070) Nonlinear optics : Two-wave mixing

History
Original Manuscript: January 14, 2000
Revised Manuscript: July 12, 2000
Published: October 10, 2000

Citation
Partha P. Banerjee, Esam Gad, Tracy Hudson, Deanna McMillen, Hossin Abdeldayem, Donald Frazier, and Kenji Matsushita, "Edge enhancement and edge-enhanced correlation with photorefractive polymers," Appl. Opt. 39, 5337-5346 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-29-5337

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