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Applied Optics

Applied Optics


  • Vol. 10, Iss. 7 — Jul. 1, 1971
  • pp: 1503–1508

Counting and Classifying Small Objects by Far-Field Light Scattering

W. L. Anderson and R. E. Beissner  »View Author Affiliations

Applied Optics, Vol. 10, Issue 7, pp. 1503-1508 (1971)

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An approach to small particle counting and classification is proposed in which the size and shape distribution is determined from the far-field pattern of light scattered by the particles. By presuming that the scattering function for each particle species is known from auxiliary experiments or calculations, a general result applicable to irregular particles as well as simply shaped particles is obtained. Inversion formulas, by which the particle distribution is determined from the far-field data, are presented in forms suitable for digital or optical processing. An experimental approach to the design of a real-time optical counting and classifying instrument is suggested.

© 1971 Optical Society of America

Original Manuscript: February 2, 1970
Published: July 1, 1971

W. L. Anderson and R. E. Beissner, "Counting and Classifying Small Objects by Far-Field Light Scattering," Appl. Opt. 10, 1503-1508 (1971)

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