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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 6 — Feb. 20, 2006
  • pp: 1249–1253

Influence of the interaction between metal particles on optical properties of Ag–Si3N4 composite films. II. Two-particle approximation

Ding Rong Ou, Jing Zhu, and Jia Hao Zhao  »View Author Affiliations


Applied Optics, Vol. 45, Issue 6, pp. 1249-1253 (2006)
http://dx.doi.org/10.1364/AO.45.001249


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Abstract

The interaction between metal particles was calculated based on the discrete dipole method. The calculated results revealed that the multiple interactions in a collection of metal particles are dominated by the interaction between the neighboring particles. Thus, a two-particle approximation was deduced and applied to estimate the optical absorption and near-field enhancement property of Ag– Si 3 N 4 composite films. The calculated results indicated that the interaction between Ag particles will induce extra absorption near the surface plasmon resonance peak and improve the near-field enhancement property of composite films. Calculated results were consistent with the experimental results.

© 2006 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(290.5850) Scattering : Scattering, particles
(300.1030) Spectroscopy : Absorption
(310.6860) Thin films : Thin films, optical properties

ToC Category:
Optics at Surfaces

History
Original Manuscript: June 1, 2005
Revised Manuscript: October 11, 2005
Manuscript Accepted: October 11, 2005

Citation
Ding Rong Ou, Jing Zhu, and Jia Hao Zhao, "Influence of the interaction between metal particles on optical properties of Ag-Si3N4 composite films. II. Two-particle approximation," Appl. Opt. 45, 1249-1253 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-6-1249

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