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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 18 — Aug. 31, 2009
  • pp: 16081–16091

Blue-shift of surface plasmon resonance in a metal nanoslit array structure

Yun Suk Jung, Jeff Wuenschell, Hong Koo Kim, Palwinder Kaur, and David H. Waldeck  »View Author Affiliations


Optics Express, Vol. 17, Issue 18, pp. 16081-16091 (2009)
http://dx.doi.org/10.1364/OE.17.016081


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Abstract

The adsorption of a self-assembled monolayer of molecules on a metal surface commonly causes a red-shift in its surface plasmon resonance. We report that the anomalous dispersion of surface plasmons in a Au nanoslit array structure can cause a blue-shift of optical transmission upon adsorption of a non-absorbing self-assembled monolayer of molecules. We develop a simple model that explains the blue-shift observed in the transmission spectra with monolayer adsorption in terms of the interplay of anomalous dispersion and the cavity resonance of surface plasmons in the nanoslit array.

© 2009 OSA

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.2030) Physical optics : Dispersion
(260.3910) Physical optics : Metal optics

ToC Category:
Optics at Surfaces

History
Original Manuscript: July 13, 2009
Manuscript Accepted: August 12, 2009
Published: August 26, 2009

Citation
Yun Suk Jung, Jeff Wuenschell, Hong Koo Kim, Palwinder Kaur, and David H. Waldeck, "Blue-shift of surface plasmon resonance in a metal nanoslit array structure," Opt. Express 17, 16081-16091 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-18-16081


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