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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 31 — Nov. 1, 2008
  • pp: 5903–5907

Multichanneled encryption via a joint transform correlator architecture

Dafne Amaya, Myrian Tebaldi, Roberto Torroba, and Néstor Bolognini  »View Author Affiliations


Applied Optics, Vol. 47, Issue 31, pp. 5903-5907 (2008)
http://dx.doi.org/10.1364/AO.47.005903


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Abstract

We propose a multichanneling encryption method by using multiple random-phase mask apertures in the input plane based on a joint transform correlation scheme. In the proposal, this multiple aperture arrangement is changed as different input objects are inserted and stored. Then, during the decryption step, the appropriate use of the random-phase mask apertures can ensure the retrieval of different information. This approach provides different access levels. Computer simulations show the potential of the technique and experimental results verify the feasibility of this method.

© 2008 Optical Society of America

OCIS Codes
(090.4220) Holography : Multiplex holography
(100.1160) Image processing : Analog optical image processing

ToC Category:
Image Processing

History
Original Manuscript: August 13, 2008
Revised Manuscript: October 6, 2008
Manuscript Accepted: October 8, 2008
Published: October 30, 2008

Citation
Dafne Amaya, Myrian Tebaldi, Roberto Torroba, and Néstor Bolognini, "Multichanneled encryption via a joint transform correlator architecture," Appl. Opt. 47, 5903-5907 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-31-5903

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