Grating-coupled transmission-type surface plasmon resonance sensors based on dielectric and metallic gratings
Applied Optics, Vol. 46, Issue 23, pp. 5703-5708 (2007)
http://dx.doi.org/10.1364/AO.46.005703
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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.
© 2007 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(230.1950) Optical devices : Diffraction gratings
(240.6680) Optics at surfaces : Surface plasmons
ToC Category:
Optical Devices
History
Original Manuscript: March 29, 2007
Manuscript Accepted: May 24, 2007
Published: August 8, 2007
Citation
Kyung Min Byun, Sung June Kim, and Donghyun Kim, "Grating-coupled transmission-type surface plasmon resonance sensors based on dielectric and metallic gratings," Appl. Opt. 46, 5703-5708 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-23-5703
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