Biosensor application of resonance coupling to thin film planar waveguides on side-polished optical fiber

Wolfgang Ecke; Andrey Andreev; Andrea Csaki; Konstantin Kirsch; Kerstin Schroeder; Torsten Wieduwilt; Reinhardt Willsch

doi:10.1117/12.885905

17 May 2011 Biosensor application of resonance coupling to thin film planar waveguides on side-polished optical fiber

Wolfgang Ecke, Andrey Andreev, Andrea Csaki, Konstantin Kirsch, Kerstin Schroeder, Torsten Wieduwilt, Reinhardt Willsch

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77534T (2011) https://doi.org/10.1117/12.885905
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

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.

Citation Download Citation

Wolfgang Ecke, Andrey Andreev, Andrea Csaki, Konstantin Kirsch, Kerstin Schroeder, Torsten Wieduwilt, and Reinhardt Willsch "Biosensor application of resonance coupling to thin film planar waveguides on side-polished optical fiber", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77534T (17 May 2011); https://doi.org/10.1117/12.885905

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