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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 10, Iss. 9 — Sep. 1, 1993
  • pp: 1989–1995

Enhanced backscattering and cross depolarization from multiscale surfaces

D. L. Jordan and F. Moreno  »View Author Affiliations


JOSA A, Vol. 10, Issue 9, pp. 1989-1995 (1993)
http://dx.doi.org/10.1364/JOSAA.10.001989


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Abstract

Measurements of enhanced backscattering are presented from a range of characterized metallic surfaces of differing roughnesses by use of both visible and infrared laser radiation. The surfaces are isotropic and exhibit fractal behavior over a wide range of scale sizes with an estimated fractal index close to the marginal value of 2. Unlike previously reported results from work that used smoothly varying single-scale surfaces, these results obtained with the use of multiscale surfaces exhibit enhanced backscattering, even close to grazing incidence in both the copolarized and the cross-depolarized scattered components. The magnitude of the backscattered enhancement and the ratio of cross-depolarized to copolarized backscattered radiation show similar variations with the measured surface roughness, suggesting that both may possibly be due to the same mechanism, namely, multiple scattering.

© 1993 Optical Society of America

History
Original Manuscript: January 31, 1992
Revised Manuscript: April 19, 1993
Manuscript Accepted: April 21, 1993
Published: September 1, 1993

Citation
D. L. Jordan and F. Moreno, "Enhanced backscattering and cross depolarization from multiscale surfaces," J. Opt. Soc. Am. A 10, 1989-1995 (1993)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-10-9-1989

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