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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 35 — Dec. 10, 2000
  • pp: 6556–6560

Joint transform correlator for optical temporal signals

Gal Shabtay, David Mendlovic, and Zeev Zalevsky  »View Author Affiliations


Applied Optics, Vol. 39, Issue 35, pp. 6556-6560 (2000)
http://dx.doi.org/10.1364/AO.39.006556


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Abstract

Correlation is considered to be a fundamental operation in the field of signal processing. The fact that this operation can be implemented optically in a relatively simple manner is an important advantage of utilizing optical systems for signal processing. The VanderLugt 4-f system and the joint transform correlator (JTC) are the two most popular configurations for performing a spatial correlation operation optically. So far the JTC architecture has been used for performing correlation between two images, which are illuminated by a quasi-monochromatic light source. We propose a generalization of the JTC that performs a correlation between two temporal optical signals.

© 2000 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.4550) Fourier optics and signal processing : Correlators
(100.4550) Image processing : Correlators

History
Original Manuscript: February 25, 1999
Revised Manuscript: August 18, 1999
Published: December 10, 2000

Citation
Gal Shabtay, David Mendlovic, and Zeev Zalevsky, "Joint transform correlator for optical temporal signals," Appl. Opt. 39, 6556-6560 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-35-6556

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