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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 33, Iss. 29 — Oct. 10, 1994
  • pp: 6774–6787

Acousto-optical wideband correlator system: design, implementation, and evaluation

R. D. Griffin and J. N. Lee  »View Author Affiliations


Applied Optics, Vol. 33, Issue 29, pp. 6774-6787 (1994)
http://dx.doi.org/10.1364/AO.33.006774


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Abstract

We describe the design and development of an acousto-optical wideband correlator that we integrated into a digital signal-processing system testbed. We report its measured performance and compare it with various theoretical performance measures, one of which compares the optical system with an equivalent efficient digital correlator. The measured performance of the optical system was 20 to 70 times that of a VAX 6410 computer using a fast-Fourier-transform correlation algorithm and a vector processor, even though the electronic interface system limited the performance of the optical system to less than 0.5% of its potential. We also compare the system with commercially available digital signal-processing boards.

© 1994 Optical Society of America

History
Original Manuscript: March 25, 1994
Published: October 10, 1994

Citation
R. D. Griffin and J. N. Lee, "Acousto-optical wideband correlator system: design, implementation, and evaluation," Appl. Opt. 33, 6774-6787 (1994)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-33-29-6774

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