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Applied Optics

Applied Optics


  • Vol. 15, Iss. 1 — Jan. 1, 1976
  • pp: 89–92

Time integrating acoustooptic correlator

Robert A. Sprague and Chris L. Koliopoulos  »View Author Affiliations

Applied Optics, Vol. 15, Issue 1, pp. 89-92 (1976)

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This paper describes an acoustooptic technique for achieving signal correlation with a time-bandwidth product of 106–108, using existing devices. One signal is used to intensity modulate a light beam that illuminates an acoustic cell. The other signal appears in the cell as a traveling wave and is Schlieren imaged onto a detector array. The detected image intensity is integrated in time, achieving the desired correlation function. Since the correlation integration is performed in time rather than space, the time-bandwidth limitations of earlier acoustooptic correlators are greatly reduced. Experimental procedures for implementation of this technique are discussed and results shown.

© 1976 Optical Society of America

Original Manuscript: June 18, 1975
Published: January 1, 1976

Robert A. Sprague and Chris L. Koliopoulos, "Time integrating acoustooptic correlator," Appl. Opt. 15, 89-92 (1976)

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