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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. 15, Iss. 12 — Dec. 1, 1998
  • pp: 2986–2994

Excitation efficiency of a morphology-dependent resonance by a focused Gaussian beam

James A. Lock  »View Author Affiliations


JOSA A, Vol. 15, Issue 12, pp. 2986-2994 (1998)
http://dx.doi.org/10.1364/JOSAA.15.002986


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Abstract

The excitation efficiency of a morphology-dependent resonance (MDR) by an incident beam is defined as the fraction of the beam power channeled into the MDR. The efficiency is calculated for a focused Gaussian beam of arbitrary width incident on either a spherical particle or a cylindrical fiber located at an arbitrary position in the plane of the beam waist. In each case a simple formula for the efficiency is derived by use of the localized approximation for the beam-shape coefficients in the partial-wave expansion of the beam. The physical interpretation of the efficiency formulas is also discussed.

© 1998 Optical Society of America

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

Citation
James A. Lock, "Excitation efficiency of a morphology-dependent resonance by a focused Gaussian beam," J. Opt. Soc. Am. A 15, 2986-2994 (1998)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-15-12-2986


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References

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