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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 32, Iss. 12 — Apr. 20, 1993
  • pp: 2164–2170

T-matrix approach for calculating local fields around clusters of rotated spheroids

William Vargas, Luis Cruz, Luis F. Fonseca, and Manuel Gómez  »View Author Affiliations


Applied Optics, Vol. 32, Issue 12, pp. 2164-2170 (1993)
http://dx.doi.org/10.1364/AO.32.002164


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Abstract

A T-matrix formalism is used to calculate local electric fields around clusters of prolate spheroids in the long-wavelength regime. The calculations are performed as a function of interparticle distance as well as angle of orientation. The observed red shifts in the resonant wavelengths of the characteristic peaks are shown to obey an exponential relationship as a function of interparticle separation and a sinusoidal relationship as a function of angle of rotation of the spheroid. The behavior of the cluster is discussed and the two effects of separation and rotation are compared.

© 1993 Optical Society of America

Citation
William Vargas, Luis Cruz, Luis F. Fonseca, and Manuel Gómez, "T-matrix approach for calculating local fields around clusters of rotated spheroids," Appl. Opt. 32, 2164-2170 (1993)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-32-12-2164

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