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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 16 — Jun. 1, 2005
  • pp: 3218–3223

Effect of the azimuthal orientation on the performance of grating-coupled surface-plasmon resonance biosensors

Donghyun Kim  »View Author Affiliations


Applied Optics, Vol. 44, Issue 16, pp. 3218-3223 (2005)
http://dx.doi.org/10.1364/AO.44.003218


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Abstract

The effect of azimuthal orientation on the electromagnetic coupling of surface plasmons with the incident and diffracted light of a grating-coupled surface-plasmon resonance (GC-SPR) biosensor is investigated, and its practical implications are explored. For this purpose a GC-SPR biosensor model is considered, and well-established rigorous coupled-wave analysis is used. Numerical results indicate significant variations in surface-plasmon resonance characteristics in connection with the interaction between surface-plasmon polaritons associated with multiple-order diffraction. The results are discussed as they relate to applications that require minimal rotation sensitivity.

© 2005 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(130.3120) Integrated optics : Integrated optics devices
(240.6680) Optics at surfaces : Surface plasmons

Citation
Donghyun Kim, "Effect of the azimuthal orientation on the performance of grating-coupled surface-plasmon resonance biosensors," Appl. Opt. 44, 3218-3223 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-16-3218

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