4.6 Article

Zeonex-PMMA microstructured polymer optical FBGs for simultaneous humidity and temperature sensing

Journal

OPTICS LETTERS
Volume 42, Issue 6, Pages 1161-1164

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.42.001161

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Funding

  1. People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme (FP7) [608382]
  2. Innovation Fund Denmark [1382-00058B]
  3. ShapeOCT [4107-00011A]
  4. Danish Council for Independent Research [4184-00359B]

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In this Letter, we report for the first time, to the best of our knowledge, the fabrication and characterization of a Zeonex/PMMA microstructured polymer optical fiber (mPOF) Bragg grating sensor for simultaneous monitoring of relative humidity (RH) and temperature. The sensing element (probe) is based on two separate in-line fiber Bragg gratings (FBGs) inscribed in the fabricated mPOF. A root mean square deviation of 0.8% RH and 0.6 degrees C in the range of 10%-90% RH and 20 degrees C-80 degrees C was found. The developed mPOFBG sensor constitutes an efficient route toward low-cost, easy-to-fabricate and compact multi-parameter sensing solutions.(C) 2017 Optical Society of America

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