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Joint transform correlator for optical temporal signals.

G Shabtay1, D Mendlovic, Z Zalevsky

  • 1Faculty of Engineering, Tel Aviv University, 69978 Tel Aviv, Israel.

Applied Optics
|March 21, 2008
PubMed
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This study generalizes the joint transform correlator (JTC) for optical signal processing. The enhanced optical correlator performs correlations between temporal signals, expanding JTC applications beyond spatial image correlation.

Area of Science:

  • Optical signal processing
  • Information optics
  • Correlation techniques

Background:

  • Correlation is a fundamental operation in signal processing.
  • Optical systems offer advantages for implementing correlation due to its simplicity.
  • The joint transform correlator (JTC) is a popular optical configuration for spatial correlation.

Purpose of the Study:

  • To generalize the joint transform correlator (JTC) architecture.
  • To enable optical correlation of temporal signals, not just spatial images.

Main Methods:

  • Adaptation of the existing joint transform correlator (JTC) architecture.
  • Implementation of optical correlation for temporal signals.

Main Results:

Related Experiment Videos

  • A generalized JTC capable of correlating temporal optical signals has been proposed.
  • This extends the application of JTC beyond traditional spatial image processing.

Conclusions:

  • The generalized JTC offers a novel approach for temporal optical signal correlation.
  • This advancement broadens the utility of optical correlators in signal processing.