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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Steven A. Burns
  • Vol. 24, Iss. 9 — Sep. 1, 2007
  • pp: 2543–2549

Thin-film-based field penetration engineering for surface plasmon resonance biosensing

Soon Joon Yoon and Donghyun Kim  »View Author Affiliations


JOSA A, Vol. 24, Issue 9, pp. 2543-2549 (2007)
http://dx.doi.org/10.1364/JOSAA.24.002543


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Abstract

Penetration depth defines the measurable range in evanescent-wave-based sensing techniques such as surface plasmon resonance (SPR). We investigate penetration depth variation implemented with dielectric layers in a SPR sensing structure. The results show that the penetration depth can be controlled to increase or decrease depending on a specific configuration. Effective medium theory was introduced to describe the field penetration in dielectric multilayer designs. Comparison was made with the field penetration of a localized SPR structure based on periodic nanowires. The penetration depth variation in response to environmental changes was also explored.

© 2007 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(050.2770) Diffraction and gratings : Gratings
(130.6010) Integrated optics : Sensors
(240.0310) Optics at surfaces : Thin films
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

History
Original Manuscript: February 9, 2007
Manuscript Accepted: April 19, 2007
Published: July 19, 2007

Virtual Issues
Vol. 2, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Soon Joon Yoon and Donghyun Kim, "Thin-film-based field penetration engineering for surface plasmon resonance biosensing," J. Opt. Soc. Am. A 24, 2543-2549 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-9-2543

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