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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 17 — Jun. 10, 2005
  • pp: 3468–3472

Wavelength-scanning surface plasmon resonance imaging

Soichi Otsuki, Kaoru Tamada, and S. Wakida  »View Author Affiliations


Applied Optics, Vol. 44, Issue 17, pp. 3468-3472 (2005)
http://dx.doi.org/10.1364/AO.44.003468


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Abstract

A new surface plasmon resonance (SPR) imaging technique was proposed. After measurements were conducted at varying wavelengths, the wavelength affording the minimum brightness (SPR wavelength) was determined at each pixel of the image. A two-dimensional map of the SPR wavelength could be converted to a thickness profile by use of a nonlinear calibration curve, which was obtained by Fresnel calculation. An array of protein thin layers on a gold film was evaluated in air to present the layers’ surface structure in nanometer scale.

© 2005 Optical Society of America

OCIS Codes
(110.2970) Imaging systems : Image detection systems
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(240.6680) Optics at surfaces : Surface plasmons

History
Original Manuscript: August 13, 2004
Revised Manuscript: December 27, 2004
Manuscript Accepted: January 4, 2005
Published: June 10, 2005

Citation
Soichi Otsuki, Kaoru Tamada, and S. Wakida, "Wavelength-scanning surface plasmon resonance imaging," Appl. Opt. 44, 3468-3472 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-17-3468

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