Humidity insensitive TOPAS polymer fiber Bragg grating sensor

被引：226

作者：

Yuan, Wu ^{[1
]}

Khan, Lutful ^{[2
]}

Webb, David J. ^{[2
]}

Kalli, Kyriacos ^{[3
]}

Rasmussen, Henrik K. ^{[4
]}

Stefani, Alessio ^{[1
]}

Bang, Ole ^{[1
]}

机构：

[1] Tech Univ Denmark, DTU Foton, Dept Photon Engn, DK-2800 Lyngby, Denmark

[2] Aston Univ, Photon Res Grp, Birmingham B4 7ET, W Midlands, England

[3] Cyprus Univ Technol, Nanophoton Res Lab, Limassol, Cyprus

[4] Tech Univ Denmark, Dept Mech Engn, DK-2800 Lyngby, Denmark

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 20期

关键词：

PHOTONIC CRYSTAL FIBER; REFRACTIVE-INDEX; FEW-MODE; CORE; TEMPERATURE; SENSITIVITY; STRAIN;

D O I：

10.1364/OE.19.019731

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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. (C) 2011 Optical Society of America

引用

页码：19731 / 19739

页数：9

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