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High-T<sub>g</sub> TOPAS microstructured polymer optical fiber for fiber Bragg grating strain sensing at 110 degrees

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Authors:
  • Markos, Christos ;
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    Orcid logo0000-0002-9989-5275
    Department of Photonics Engineering, Technical University of Denmark
  • Stefani, Alessio ;
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    Orcid logo0000-0001-6968-711X
    Department of Photonics Engineering, Technical University of Denmark
  • Nielsen, Kristian ;
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    Department of Photonics Engineering, Technical University of Denmark
  • Rasmussen, Henrik K. ;
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    Orcid logo0000-0001-7274-2239
    Department of Mechanical Engineering, Technical University of Denmark
  • Yuan, Scott Wu ;
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    Department of Photonics Engineering, Technical University of Denmark
  • Bang, Ole
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    Department of Photonics Engineering, Technical University of Denmark
DOI:
10.1364/OE.21.004758
Abstract:
We present the fabrication and characterization of fiber Bragg gratings (FBGs) in an endlessly single-mode microstructured polymer optical fiber (mPOF) made of humidity-insensitive high-Tg TOPAS cyclic olefin copolymer. The mPOF is the first made from grade 5013 TOPAS with a glass transition temperature of Tg = 135°C and we experimentally demonstrate high strain operation (2.5%) of the FBG at 98°C and stable operation up to a record high temperature of 110°C. The Bragg wavelengths of the FBGs are around 860 nm, where the propagation loss is 5.1dB/m, close to the fiber loss minimum of 3.67dB/m at 787nm.
Type:
Journal article
Language:
English
Published in:
Optics Express, 2013, Vol 21, Issue 4, p. 4758-4765
Keywords:
Olefins; Fiber Bragg gratings
Main Research Area:
Science/technology
Publication Status:
Published
Review type:
Peer Review
Submission year:
2013
Scientific Level:
Scientific
ID:
239773244

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