Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/7024
Title: Humidity insensitive topas polymer fiber bragg grating sensor
Authors: Kalli, Kyriacos 
Yuan, Wu 
Khan, Lutful 
Webb, David 
Rasmussen, Henrik Koblitz 
Stefani, Alessio 
Bang, Ole 
Keywords: Esters
Fiber optics
Fibers
Polymers
Issue Date: 2011
Publisher: Osa
Source: Optics Express, 2011, Volume 19, Issue 20, Pages 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.
URI: http://ktisis.cut.ac.cy/handle/10488/7024
ISSN: 1094-4087
DOI: 10.1364/OE.19.019731
Rights: © 2011 Optical Society of America.
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