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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. 19, Iss. 12 — Dec. 1, 2002
  • pp: 2429–2435

Electromagnetic field calculations for an irregularly shaped, near-spheroidal particle with arbitrary illumination

John P. Barton  »View Author Affiliations


JOSA A, Vol. 19, Issue 12, pp. 2429-2435 (2002)
http://dx.doi.org/10.1364/JOSAA.19.002429


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Abstract

A spheroidal coordinate separation-of-variables solution has been developed for the determination of the internal, near-surface, and far-scattered electromagnetic fields for irregularly shaped elongated (prolatelike) and irregularly shaped flattened (oblatelike) particles with arbitrary monochromatic illumination. Calculated results are presented, for both plane-wave and focused-Gaussian-beam illumination, which demonstrate the effects of particle geometry on the internal, near-surface, and far-scattered-field distributions.

© 2002 Optical Society of America

OCIS Codes
(260.2110) Physical optics : Electromagnetic optics
(290.0290) Scattering : Scattering
(290.1350) Scattering : Backscattering
(290.4020) Scattering : Mie theory
(290.5850) Scattering : Scattering, particles
(350.3950) Other areas of optics : Micro-optics

History
Original Manuscript: March 28, 2002
Revised Manuscript: June 26, 2002
Manuscript Accepted: June 26, 2002
Published: December 1, 2002

Citation
John P. Barton, "Electromagnetic field calculations for an irregularly shaped, near-spheroidal particle with arbitrary illumination," J. Opt. Soc. Am. A 19, 2429-2435 (2002)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-19-12-2429


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References

  1. J. P. Barton, “Internal and near-surface electromagnetic fields for a spheroidal particle with arbitrary illumination,” Appl. Opt. 34, 5542–5551 (1995). [CrossRef] [PubMed]
  2. J. P. Barton, D. R. Alexander, S. A. Schaub, “Internal and near-surface electromagnetic fields for a spherical particle irradiated by a focused laser beam,” J. Appl. Phys. 64, 1632–1639 (1988). [CrossRef]
  3. J. P. Barton, D. R. Alexander, “Electromagnetic fields for an irregularly shaped, near-spheroidal particle illuminated by a focused laser beam,” J. Appl. Phys. 69, 7973–7986 (1991). [CrossRef]
  4. C. Flammer, Spheroidal Wave Functions (Stanford U. Press, Stanford, Calif., 1957), Chaps. 1, 2.
  5. J. A. Stratton, Electromagnetic Theory (McGraw-Hill, New York, 1941), pp. 349–354, 392–399, 414–420.
  6. C. Flammer, Spheroidal Wave Functions (Stanford U. Press, Stanford, Calif., 1957), Chaps. 3, 4, 6.
  7. J. P. Barton, D. R. Alexander, “Fifth-order corrected electromagnetic field components for a fundamental Gaussian beam,” J. Appl. Phys. 66, 2800–2802 (1989). [CrossRef]
  8. J. P. Barton, “Electromagnetic field calculations for a sphere illuminated by a higher-order Gaussian beam. I. Internal and near-field effects,” Appl. Opt. 36, 1303–1311 (1997). [CrossRef] [PubMed]
  9. J. P. Barton, “Electromagnetic field calculations for a sphere illuminated by a higher-order Gaussian beam. II. Far-field scattering,” Appl. Opt. 37, 3339–3344 (1998). [CrossRef]

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