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Type: Journal article
Title: Fibre tip sensors for localised temperature sensing based on rare earth-doped glass coatings
Author: Schartner, E.
Monro, T.
Citation: Sensors, 2014; 14(11):21693-21701
Publisher: MDPI AG
Issue Date: 2014
ISSN: 1424-8220
Statement of
Erik P. Schartner and Tanya M. Monro
Abstract: We report the development of a point temperature sensor, based on monitoring upconversion emission from erbium:ytterbium-doped tellurite coatings on the tips of optical fibres. The dip coating technique allows multiple sensors to be fabricated simultaneously, while confining the temperature-sensitive region to a localised region on the end-face of the fibre. The strong response of the rare earth ions to changing temperature allows a resolution of 0.1-0.3 °C to be recorded over the biologically relevant range of temperatures from 23-39 °C.
Keywords: rare earth; thermometry; point sensing; optical fibres; optical fibre sensing
Rights: This is an open access article distributed under the Creative Commons Attribution License [] which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
RMID: 0030016795
DOI: 10.3390/s141121693
Grant ID:
Appears in Collections:Physics publications

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