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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 6 — Feb. 20, 2008
  • pp: 860–869

Two-dimensional synthetic aperture laser optical feedback imaging using galvanometric scanning

Arnaud Witomski, Eric Lacot, Olivier Hugon, and Olivier Jacquin  »View Author Affiliations


Applied Optics, Vol. 47, Issue 6, pp. 860-869 (2008)
http://dx.doi.org/10.1364/AO.47.000860


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Abstract

We have improved the resolution of our laser optical feedback imaging (LOFI) setup by using a synthetic aperture (SA) process. We report a two-dimensional (2D) SA LOFI experiment where the unprocessed image (i.e., the classical LOFI image) is obtained point by point, line after line using full 2D galvanometric scanning. The 2D superresolved image is then obtained by successively computing two angular SA operations while a one-dimensional angular synthesis is preceded by a frequency synthesis to obtain a 2D superresolved image conventionally in the synthetic aperture radar (SAR) method and their corresponding laser method called synthetic aperture ladar. The numerical and experimental results are compared.

© 2008 Optical Society of America

OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(110.2970) Imaging systems : Image detection systems
(280.3420) Remote sensing and sensors : Laser sensors

ToC Category:
Remote sensing and sensors

History
Original Manuscript: September 20, 2007
Manuscript Accepted: November 26, 2007
Published: February 20, 2008

Citation
Arnaud Witomski, Eric Lacot, Olivier Hugon, and Olivier Jacquin, "Two-dimensional synthetic aperture laser optical feedback imaging using galvanometric scanning," Appl. Opt. 47, 860-869 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-6-860

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