The improvement of figure of merit with infrared perfect absorber for plasmonic resonance sensing

  • G. H. Li*
  • , X. Wu
  • , Y. Jiang
  • , C. X. Shao
  • , L. J. Huang
  • , X. S. Chen
  • , W. D. Hu
  • , W. Lu
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

We present an infrared perfect absorber which combines gold nanobars and a photonic microcavity. By adjusting the structural geometry, this device is utilized for refractive index sensing. For proper designed structural parameters, it can yield more than 99% absorbance in the near-infrared frequency regime. Our work directly investigate the effect of geometry on sensing performance and it can sever as a model of coupling between localized surface plasmon within nanoparticles and propagating surface plasmon along planar metal layer for sensing applications with a perfect absorber.

Original languageEnglish
Title of host publication12th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2012
Pages3-4
Number of pages2
DOIs
StatePublished - 2012
Externally publishedYes
Event12th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2012 - Shanghai, China
Duration: 28 Aug 201231 Aug 2012

Publication series

NameProceedings of the International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD
ISSN (Print)2158-3234

Conference

Conference12th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2012
Country/TerritoryChina
CityShanghai
Period28/08/1231/08/12

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