Low concentration fluorescence sensing in suspended-core fibers
Date
2011
Authors
Schartner, E.
Ebendorff-Heidepriem, H.
Monro, T.
Editors
Bock, W.J.
Albert, J.
Bao, X.
Albert, J.
Bao, X.
Advisors
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Conference paper
Citation
Proceedings of the 25th International Conference on Optical Fiber Sensors, held in Ottawa, Canada 15-19 May, 2011
Statement of Responsibility
Erik P. Schartner, Heike Ebendorff-Heidepriem and Tanya M. Monro
Conference Name
International Conference on Optical Fiber Sensors (25th : 2011 : Ottawa, Canada)
Abstract
We present improvements to fluorescence sensing in microstructured optical fibers that result in significantly improved sensitivity relative to previously published results. Concentrations of CdSe quantum dots down to 10 pm levels have been demonstrated. We show that the primary limitation to the sensitivity of these systems is the intrinsic fluorescence of the glass itself. We investigate alternative architectures for improved sensitivity by separating the excitation and capture in to separate cores within a single fiber.
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