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Proceedings Paper

Multiple angle of incidence, spectroscopic, plasmon-enhanced, internal reflection ellipsometry for the characterization of solid-liquid interface processes
Author(s): P. Petrik; E. Agocs; B. Kalas; P. Kozma; B. Fodor; J. Nador; C. Major; M. Fried
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Paper Abstract

A semi-cylindrical lens in Kretschmann geometry combined with a flow cell was designed for a commercial rotating compensator ellipsometer to perform internal reflection spectroscopic ellipsometry measurements, while allowing the use of multiple angles of incidence. A thin glass slide covered with a gold film was mounted between the half-cylindrical lens and a small-volume flow cell ensuring an improved sensitivity for protein adsorption experiments. The performance of the system was investigated depending on the angle of incidence, wavelength range and thickness of the gold films for surface plasmon resonance enhanced ellipsometric measurements, and a sensitivity increase was revealed compared to ellipsometric measurements with standard flow cells, depending on the measurement parameters and configuration. The sensitivity increase was demonstrated for fibrinogen adsorption.

Paper Details

Date Published: 22 June 2015
PDF: 5 pages
Proc. SPIE 9529, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II, 95290W (22 June 2015); doi: 10.1117/12.2184850
Show Author Affiliations
P. Petrik, Research Institute for Technical Physics and Materials Science (Hungary)
Univ. of Pannonia (Hungary)
E. Agocs, Research Institute for Technical Physics and Materials Science (Hungary)
Univ. of Pannonia (Hungary)
B. Kalas, Research Institute for Technical Physics and Materials Science (Hungary)
P. Kozma, Research Institute for Technical Physics and Materials Science (Hungary)
B. Fodor, Research Institute for Technical Physics and Materials Science (Hungary)
Univ. of Pécs (Hungary)
J. Nador, Research Institute for Technical Physics and Materials Science (Hungary)
Univ. of Pannonia (Hungary)
C. Major, Research Institute for Technical Physics and Materials Science (Hungary)
M. Fried, Research Institute for Technical Physics and Materials Science (Hungary)
Univ. of Pannonia (Hungary)


Published in SPIE Proceedings Vol. 9529:
Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II
Pietro Ferraro; Simonetta Grilli; Monika Ritsch-Marte; David Stifter, Editor(s)

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