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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 23 — Aug. 10, 2007
  • pp: 5703–5708

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

Kyung Min Byun, Sung June Kim, and Donghyun Kim  »View Author Affiliations


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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