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Design Study for Transmission Improvement of Resonant Surface Plasmons Using Dielectric Diffraction Gratings
Cited 15 time in
Web of Science
Cited 15 time in Scopus
- Authors
- Issue Date
- 2009-05-15
- Publisher
- Optical Society of America
- Citation
- Appl. Opt. 48, 2924-2931 (2009)
- Abstract
- A transmission-type surface plasmon resonance configuration with dielectric gratings regularly patterned
on a silver film was investigated with the aim of enhancing the diffraction efficiency of radiative
surface plasmons. The theoretical work was conducted using rigorous coupled-wave analysis in terms of
first order diffraction efficiency and conversion efficiency (CE). The results show that pyramid gratings
can produce a higher transmittance compared with other grating profiles. Design optimization of the
pyramid grating at a wide range of grating thicknesses and periods resulted in a maximum transmittance
that was larger than 77% and a peak CE of about 85%. This study demonstrates the potential of
using transmitted surface plasmon waves in various optical devices, such as optical biosensors, optical
imaging systems, and polarization filters.
- ISSN
- 0003-6935 (print)
1539-4522 (online)
- Language
- English
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