Humidity insensitive TOPAS polymer fiber Bragg grating sensor

Yuan, Wu, Khan, Lutful, Webb, David J., Kalli, Kyriacos, Rasmussen, Henrik K., Stefani, Alessio and Bang, Ole (2011). Humidity insensitive TOPAS polymer fiber Bragg grating sensor. Optics Express, 19 (20), pp. 19731-19739.

Abstract

We report the first experimental demonstration of a humidity insensitive polymer optical fiber Bragg grating (FBG), as well as the first FBG recorded in a TOPAS polymer optical fiber in the important low loss 850nm spectral region. For the demonstration we have fabricated FBGs with resonance wavelength around 850 nm and 1550 nm in single-mode microstructured polymer optical fibers made of TOPAS and the conventional poly (methyl methacrylate) (PMMA). Characterization of the FBGs shows that the TOPAS FBG is more than 50 times less sensitive to humidity than the conventional PMMA FBG in both wavelength regimes. This makes the TOPAS FBG very appealing for sensing applications as it appears to solve the humidity sensitivity problem suffered by the PMMA FBG.

Publication DOI: https://doi.org/10.1364/OE.19.019731
Divisions: Engineering & Applied Sciences > Institute of Photonics
Engineering & Applied Sciences > Electrical, electronic & power engineering
Additional Information: © 2011 OSA. This paper was published in [Journal Name] and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: [article URL]. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2011-09-26
Authors: Yuan, Wu
Khan, Lutful
Webb, David J. ( 0000-0002-5495-1296)
Kalli, Kyriacos
Rasmussen, Henrik K.
Stefani, Alessio
Bang, Ole

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