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Type: Journal article
Title: Light-sheet skew-ray enhanced pump-absorption for sensing
Author: Chen, G.
Francois, A.
Wu, X.
Zhang, W.
Codemard, C.
Xu, H.
Monro, T.
Lancaster, D.
Citation: Journal of Lightwave Technology, 2019; 37(9):2140-2146
Publisher: IEEE
Issue Date: 2019
ISSN: 0733-8724
Statement of
George Y. Chen, Alexandre François, Xuan Wu, Wen Qi Zhang, Christophe A. Codemard, Haolan Xu, Tanya M. Monro, and David G. Lancaster
Abstract: We present a new sensing technique exploiting light-sheet excitation of skew rays in a multimode fiber, which can be applied to enhance the sensitivity of a range of sensing mechanisms such as pump absorption. The underlying principle is that a light sheet (i.e., thin plane of light) can selectively concentrate the optimum ray group, giving rise to enhanced interaction between light and matter (e.g., fluorophores). We compared this excitation method with others in terms of attenuation of pump light through Rhodamine B. It was observed that the attenuation experienced by light-sheet skew rays can be up to one order of magnitude higher than that of collimated skew rays, and three orders of magnitude higher than that of normal-incidence rays.
Keywords: Enhancement; light sheet; multimode fiber; pump absorption; sensing; skew rays
Rights: © 2019 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. See standards/publications/rights/index.html for more information.
DOI: 10.1109/JLT.2019.2898878
Grant ID: ARC
Appears in Collections:Aurora harvest 4
Physics publications

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