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Investigation of surface plasmon resonance in super-period gold nanoslit arrays |
JOSA B, Vol. 29, Issue 7, pp. 1712-1716 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001712
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Abstract
Surface plasmon resonance in super-period metal nanoslits can be observed in the first order diffraction as well in the zeroth order transmission. In this paper, surface plasmon resonance modes in various super-period gold nanoslit arrays are investigated. It is found that the surface plasmon resonance frequencies are determined by the small period of the nanoslits in the super-period nanoslit unit cell. The number of nanoslits in the unit cell and the nanoslit width do not control the surface plasmon resonance frequencies. It is also found that the resonance frequency observed in the first order diffraction reveals more accurately the surface plasmon resonance frequency in the super-period metal nanoslit device.
© 2012 Optical Society of America
OCIS Codes
(230.1950) Optical devices : Diffraction gratings
(240.6680) Optics at surfaces : Surface plasmons
(300.6190) Spectroscopy : Spectrometers
ToC Category:
Optics at Surfaces
History
Original Manuscript: March 13, 2012
Revised Manuscript: May 15, 2012
Manuscript Accepted: May 15, 2012
Published: June 20, 2012
Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics
Citation
Junpeng Guo and Haisheng Leong, "Investigation of surface plasmon resonance in super-period gold nanoslit arrays," J. Opt. Soc. Am. B 29, 1712-1716 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-7-1712
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