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Proceedings Paper

Biosensor application of resonance coupling to thin film planar waveguides on side-polished optical fiber
Author(s): Wolfgang Ecke; Andrey Andreev; Andrea Csaki; Konstantin Kirsch; Kerstin Schroeder; Torsten Wieduwilt; Reinhardt Willsch
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Paper Abstract

Optical resonance coupling between a side-polished fiber and thin film waveguides has been investigated in the presence of biochemical adsorbates. The shift of the resonance wavelengths was found to be highly sensitive to the capture of target DNA recognition elements with Au nanoparticle markers, allowing for a sensitivity limit of 10 particles on the side-polished fiber core area (2000 μm²) during on-line measurements using a polychromator spectrometer.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77534T (17 May 2011); doi: 10.1117/12.885905
Show Author Affiliations
Wolfgang Ecke, Institut für Photonische Technologien e.V. (Germany)
Andrey Andreev, Institute of Solid State Physics (Bulgaria)
Andrea Csaki, Institut für Photonische Technologien e.V. (Germany)
Konstantin Kirsch, Institut für Photonische Technologien e.V. (Germany)
Kerstin Schroeder, Institut für Photonische Technologien e.V. (Germany)
Torsten Wieduwilt, Institut für Photonische Technologien e.V. (Germany)
Reinhardt Willsch, Institut für Photonische Technologien e.V. (Germany)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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