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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 6 — Feb. 20, 2007
  • pp: 872–880

Effective medium-based analysis of nanowire-mediated localized surface plasmon resonance

Donghyun Kim and Soon Joon Yoon  »View Author Affiliations


Applied Optics, Vol. 46, Issue 6, pp. 872-880 (2007)
http://dx.doi.org/10.1364/AO.46.000872


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Abstract

We explore a nanowire-based localized surface plasmon resonance (LSPR) sensor system using an effective medium for the nanowire layer. The effective medium is obtained based on the far-field characteristics of the nanowire-based LSPR system. Near-field properties as well as the sensitivity performance of the effective medium-based SPR structure are compared to exact results of the nanowire-based LSPR system. The results indicate that an effective medium can reproduce the far-field and near-field characteristics of nanowires fairly well, while it represents the nanowire-based LSPR on a limited basis in terms of sensitivity characteristics, particularly when the LSPR is significantly enhanced.

© 2007 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(050.2770) Diffraction and gratings : Gratings
(130.6010) Integrated optics : Sensors
(240.0310) Optics at surfaces : Thin films
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

History
Original Manuscript: August 22, 2006
Revised Manuscript: October 19, 2006
Manuscript Accepted: October 21, 2006
Published: February 2, 2007

Citation
Donghyun Kim and Soon Joon Yoon, "Effective medium-based analysis of nanowire-mediated localized surface plasmon resonance," Appl. Opt. 46, 872-880 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-6-872

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