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Design Study for Transmission Improvement of Resonant Surface Plasmons Using Dielectric Diffraction Gratings

Cited 13 time in Web of Science Cited 13 time in Scopus
Authors
Choi, Seung Ho; Kim, Sung June; Byun, Kyung Min
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
URI
https://hdl.handle.net/10371/7460
DOI
https://doi.org/10.1364/AO.48.002924
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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