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Surface plasmon resonance in nanostructured metal films under the Kretschmann configuration

Publication ,  Journal Article
Leong, HS; Guo, J; Lindquist, RG; Liu, QH
Published in: Journal of Applied Physics
December 1, 2009

We systematically investigated the surface plasmon resonance in one-dimensional (1D) subwavelength nanostructured metal films under the Kretschmann configuration. We calculated the reflectance, transmittance, and absorption for varying the dielectric fill factor, the period of the 1D nanostructure, and the metal film thickness. We have found that the small dielectric slits in the metal films reduce the surface plasmon resonance angle and move it toward the critical angle for total internal reflection. The reduction in surface plasmon resonance angle in nanostructured metal films is due to the increased intrinsic free electron oscillation frequency in metal nanostructures. Also we have found that the increasing the spatial frequency of the 1D nanograting reduces the surface plasmon resonance angle, which indicates that less momentum is needed to match the momentum of the surface plasmon-polariton. The variation in the nanostructured metal film thickness changes the resonance angle slightly, but mainly remains as a mean to adjust the coupling between the incident optical wave and the surface plasmon-polariton wave. © 2009 American Institute of Physics.

Published In

Journal of Applied Physics

DOI

ISSN

0021-8979

Publication Date

December 1, 2009

Volume

106

Issue

12

Related Subject Headings

  • Applied Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Leong, H. S., Guo, J., Lindquist, R. G., & Liu, Q. H. (2009). Surface plasmon resonance in nanostructured metal films under the Kretschmann configuration. Journal of Applied Physics, 106(12). https://doi.org/10.1063/1.3273359
Leong, H. S., J. Guo, R. G. Lindquist, and Q. H. Liu. “Surface plasmon resonance in nanostructured metal films under the Kretschmann configuration.” Journal of Applied Physics 106, no. 12 (December 1, 2009). https://doi.org/10.1063/1.3273359.
Leong HS, Guo J, Lindquist RG, Liu QH. Surface plasmon resonance in nanostructured metal films under the Kretschmann configuration. Journal of Applied Physics. 2009 Dec 1;106(12).
Leong, H. S., et al. “Surface plasmon resonance in nanostructured metal films under the Kretschmann configuration.” Journal of Applied Physics, vol. 106, no. 12, Dec. 2009. Scopus, doi:10.1063/1.3273359.
Leong HS, Guo J, Lindquist RG, Liu QH. Surface plasmon resonance in nanostructured metal films under the Kretschmann configuration. Journal of Applied Physics. 2009 Dec 1;106(12).
Journal cover image

Published In

Journal of Applied Physics

DOI

ISSN

0021-8979

Publication Date

December 1, 2009

Volume

106

Issue

12

Related Subject Headings

  • Applied Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences