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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

  • Editor: Stephen A. Burns
  • Vol. 25, Iss. 2 — Feb. 1, 2008
  • pp: 327–334

Light scattering resonances in small particles with electric and magnetic properties

B. García-Cámara, F. Moreno, F. González, J. M. Saiz, and G. Videen  »View Author Affiliations


JOSA A, Vol. 25, Issue 2, pp. 327-334 (2008)
http://dx.doi.org/10.1364/JOSAA.25.000327


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Abstract

Lorenz–Mie resonances produced by small spheres are analyzed as a function of their size and optical properties ( ε 0 , μ 0 ). New generalized ( μ 1 ) approximate and compact expressions of the first four Lorenz–Mie coefficients ( a 1 , b 1 , a 2 , and b 2 ) are calculated. With these expressions and for small particles with various values of ε and μ, the extinction cross section ( Q ext ) is calculated and analyzed, in particular for resonant conditions. The dependence on particle size of the extinction resonance, together with the resonance shape (FWHM), is also analyzed. In addition to the former analysis, a study of the scattering diagrams for some interesting values of ε and μ is also presented.

© 2008 Optical Society of America

OCIS Codes
(290.2200) Scattering : Extinction
(290.4020) Scattering : Mie theory
(290.5850) Scattering : Scattering, particles
(350.3618) Other areas of optics : Left-handed materials

ToC Category:
Scattering

History
Original Manuscript: August 16, 2007
Revised Manuscript: November 21, 2007
Manuscript Accepted: November 21, 2007
Published: January 10, 2008

Virtual Issues
Vol. 3, Iss. 3 Virtual Journal for Biomedical Optics

Citation
B. García-Cámara, F. Moreno, F. González, J. M. Saiz, and G. Videen, "Light scattering resonances in small particles with electric and magnetic properties," J. Opt. Soc. Am. A 25, 327-334 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-2-327

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