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Grating-coupled transmission-type surface plasmon resonance sensors based on dielectric and metallic gratings

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Authors
Byun, Kyung Min; Kim, Sung June; Kim, Donghyun
Issue Date
2007-08
Publisher
Optical Society of America
Citation
Appl. Opt. 46, 5703-5708 (2007)
Abstract
We investigated grating-coupled transmission-type surface plasmon resonance (SPR) for sensing applications.
In the transmission-type SPR structure, propagating surface plasmons are outcoupled to radiation
modes by dielectric and metallic gratings on a metal film. The results calculated in air and water
suggest that the proposed structures present extremely linear sensing characteristics. In terms of a figure
of merit, a metallic grating-based structure performs 5.4 and 3.7 times better than that of a dielectric
grating in air and water, respectively.
ISSN
0003-6935 (print)
1539-4522 (online)
Language
English
URI
http://hdl.handle.net/10371/7926
DOI
https://doi.org/10.1364/AO.46.005703
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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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