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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 2, Iss. 11 — Nov. 1, 1985
  • pp: 1979–1985

Empirical solution to the inverse-scattering problem by the optical strip-map technique

Gregory M. Quist and Philip J. Wyatt  »View Author Affiliations

JOSA A, Vol. 2, Issue 11, pp. 1979-1985 (1985)

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A method for solving the inverse-scattering problem empirically is introduced. The method is called the strip-map technique, and, for now, we restrict its use to the identification of single homogeneous spherical particles First the technique is illustrated in a gedanken experiment with an ideal spherical microparticle Then the technique is applied to the study of four particles from which light-scattering data have been collected. Nonspherical or inhomogeneous spherical particles are immediately distinguished from particles that are homogeneous spheres, the latter being specified to a high degree of precision. The technique can be made extremely rapid: with modest computer means, individual microparticles can be characterized in less than 1 msec.

© 1985 Optical Society of America

Original Manuscript: March 14, 1983
Manuscript Accepted: January 15, 1985
Published: November 1, 1985

Gregory M. Quist and Philip J. Wyatt, "Empirical solution to the inverse-scattering problem by the optical strip-map technique," J. Opt. Soc. Am. A 2, 1979-1985 (1985)

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  1. P. J. Wyatt, “Differential light scattering: a physical method for identifying living bacterial cells,” Appl. Opt. 7, 1879 (1968). [CrossRef] [PubMed]
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  6. P. J. Wyatt, “Cell wall thickness, size distribution, refractive index ratio, and dry weight content of living bacteria (Staphylococcus aureus),” Nature 226, 277 (1970). [CrossRef] [PubMed]
  7. P. J. Wyatt, “Observations on the structure of spores,” J. Appl. Bacteriol. 38, 47 (1975). [CrossRef] [PubMed]
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  13. P. J. Wyatt, D. T. Phillips, “A new instrument for the study of individual aerosol particles,” J. Colloid Interface Sci. 39, 125 (1972). [CrossRef]
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  15. G. J. Culler, CHI Systems Inc., Santa Barbara, Calif. (personal communication).
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