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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 72, Iss. 6 — Jun. 1, 1982
  • pp: 756–759

Remote characterization of a thick slab target with a pulsed laser

N. J. McCormick  »View Author Affiliations

JOSA, Vol. 72, Issue 6, pp. 756-759 (1982)

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A scheme is derived for deducing the Legendre moments of the optical scattering function of a homogeneous, optically thick planar medium. The radiometer need only scan the backscattered light intensity over the azimuthal angle, for a fixed polar angle, at times long after irradiation of the scattering volume by a laser pulse.

© 1982 Optical Society of America

N. J. McCormick, "Remote characterization of a thick slab target with a pulsed laser," J. Opt. Soc. Am. 72, 756-759 (1982)

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  1. E. D. Hinkley, ed., Laser Monitoring of the Atmosphere (Springer-Verlag, Berlin, 1976).
  2. S. Svanberg, "Lasers as probes for air and sea," Contemp. Phys. 21, 541–576 (1980).
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  14. J. J. Duderstadt and L. J. Hamilton, Nuclear Reactor Analysis (Wiley, New York, 1976).
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  16. The equation follows directly from Eq. (26) of Ref. 15, except the optical thickness of the target for the validity of diffusion theory has been taken to be X; for the azimuthally symmetric (m = 0) analysis, however, a better approximation is to replace X with X + 4.2D°/ ν to account for two optical extrapolation distances.
  17. E. Jahnke, F. Emde, and F. Lösch, Tables of Higher Functions (Teubher; Stuttgart, 1960).
  18. For small values of X/D°, especially when the scattering is strongly anisotropic, the results of Ito and Furutsu become suspect because their distributed source arising from first collisions [Ref. 8, Eq. (13)] is assumed to be isotropic.

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