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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 32, Iss. 26 — Sep. 10, 1993
  • pp: 5043–5048

Time-resolved Fourier spectrum and imaging in highly scattering media

L. Wang, P. P. Ho, and R. R. Alfano  »View Author Affiliations


Applied Optics, Vol. 32, Issue 26, pp. 5043-5048 (1993)
http://dx.doi.org/10.1364/AO.32.005043


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Abstract

Time and spatial-gated Fourier spectra and imaging were measured and analyzed. A picosecond Kerr–Fourier gate was used to image objects by selecting the spatial frequencies of objects illuminated by a laser pulse passing through a thick turbid medium. The earlier arriving ballistic/snake light and most of the later scattered light were spatially filtered and temporally separated to form an image. The image contrast and the signal-to-noise ratio of hidden objects in turbid media were greatly improved with the addition of Fourier spatial filtering.

© 1993 Optical Society of America

History
Original Manuscript: September 15, 1992
Published: September 10, 1993

Citation
L. Wang, P. P. Ho, and R. R. Alfano, "Time-resolved Fourier spectrum and imaging in highly scattering media," Appl. Opt. 32, 5043-5048 (1993)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-32-26-5043

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