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Proceedings Paper

SPR sensor based on a bi-diffractive grating
Author(s): P. Adam; J. Dostalek; O. Telezhnikova; J. Homola
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Paper Abstract

We report a surface plasmon resonance (SPR) sensor based on two-plasmon-spectroscopy on a special bi-diffractive grating and investigate its ability to distinguish contributions to sensor response due to surface refractive index changes (i.e. binding) and due to refractive index changes in the whole sample. Theoretical analysis yielding an estimate of an error of such decomposition is presented and used to compare performance of this sensor to that of an alternative approach based on simultaneous excitation of short-range and long-range surface plasmons on a thin metallic layer.

Paper Details

Date Published: 16 May 2007
PDF: 9 pages
Proc. SPIE 6585, Optical Sensing Technology and Applications, 65851Y (16 May 2007); doi: 10.1117/12.723000
Show Author Affiliations
P. Adam, Institute of Photonics and Electronics (Czech Republic)
J. Dostalek, Institute of Photonics and Electronics (Czech Republic)
O. Telezhnikova, Institute of Photonics and Electronics (Czech Republic)
J. Homola, Institute of Photonics and Electronics (Czech Republic)


Published in SPIE Proceedings Vol. 6585:
Optical Sensing Technology and Applications
Francesco Baldini; Jiri Homola; Robert A. Lieberman; Miroslav Miler, Editor(s)

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