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Applied Optics

Applied Optics


  • Vol. 37, Iss. 21 — Jul. 20, 1998
  • pp: 5005–5013

Measurement of beam-shape coefficients in the generalized Lorenz–Mie theory for the on-axis case

Hubert Polaert, Gérard Gouesbet, and Gérard Gréhan  »View Author Affiliations

Applied Optics, Vol. 37, Issue 21, pp. 5005-5013 (1998)

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The use of the generalized Lorenz–Mie theory that describes the interaction between a spherical particle and an arbitrarily shaped beam requires knowledge of the beam-shape coefficients (BSC’s) that describe the illuminating beam. Classically, these BSC’s are evaluated from an a priori mathematical description of the illuminating beam. We propose a method that relies on intensity measurements along the beam axis that permits one to measure directly the BSC’s of an actual beam in the laboratory.

© 1998 Optical Society of America

OCIS Codes
(290.0290) Scattering : Scattering
(290.4020) Scattering : Mie theory

Original Manuscript: June 3, 1997
Revised Manuscript: March 30, 1998
Published: July 20, 1998

Hubert Polaert, Gérard Gouesbet, and Gérard Gréhan, "Measurement of beam-shape coefficients in the generalized Lorenz–Mie theory for the on-axis case," Appl. Opt. 37, 5005-5013 (1998)

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