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Flexible thin polymer waveguide Bragg grating sensor foils for strain sensing

Jeroen Missinne (UGent) , Nuria Teigell Beneitez (UGent) , Gabriele Chiesura (UGent) , Geert Luyckx (UGent) , Joris Degrieck (UGent) and Geert Van Steenberge (UGent)
(2017) ORGANIC PHOTONIC MATERIALS AND DEVICES XIX. In Proceedings of SPIE 101010.
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Abstract
This paper demonstrates that epoxy-based single mode polymer waveguides with Bragg gratings can be realized in very thin (down to 50 micron) polymer foils which are suitable for strain sensing when integrated inside glass fiber reinforced polymer composite materials. The single mode waveguides were fabricated using laser direct-write lithography and the gratings were realized using nanoimprint lithography. These steps were performed on a temporary rigid carrier substrate and afterwards the functional layers were released yielding the thin, flexible sensor foils which can be laser-cut to the required dimensions. The Bragg grating-based polymer waveguide sensor foils were characterized before and after embedding into the composite. As expected, there was a blue shift in the reflection spectrum because of residual strain due to the embedding process. However, the quality of the signal did not degrade after embedding, both for 50 and 100 micron thick sensor foils. Finally, the sensitivity to strain of the embedded sensors was determined using a tensile test and found to be about 1 pm / microstrain.
Keywords
Bragg grating sensor, composite, epoxy, flexible, foil, polymer waveguide, nanoimprinting, strain sensing

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MLA
Missinne, Jeroen, et al. “Flexible Thin Polymer Waveguide Bragg Grating Sensor Foils for Strain Sensing.” ORGANIC PHOTONIC MATERIALS AND DEVICES XIX, vol. 101010, SPIE, 2017, doi:10.1117/12.2250823.
APA
Missinne, J., Teigell Beneitez, N., Chiesura, G., Luyckx, G., Degrieck, J., & Van Steenberge, G. (2017). Flexible thin polymer waveguide Bragg grating sensor foils for strain sensing. ORGANIC PHOTONIC MATERIALS AND DEVICES XIX, 101010. https://doi.org/10.1117/12.2250823
Chicago author-date
Missinne, Jeroen, Nuria Teigell Beneitez, Gabriele Chiesura, Geert Luyckx, Joris Degrieck, and Geert Van Steenberge. 2017. “Flexible Thin Polymer Waveguide Bragg Grating Sensor Foils for Strain Sensing.” In ORGANIC PHOTONIC MATERIALS AND DEVICES XIX. Vol. 101010. SPIE. https://doi.org/10.1117/12.2250823.
Chicago author-date (all authors)
Missinne, Jeroen, Nuria Teigell Beneitez, Gabriele Chiesura, Geert Luyckx, Joris Degrieck, and Geert Van Steenberge. 2017. “Flexible Thin Polymer Waveguide Bragg Grating Sensor Foils for Strain Sensing.” In ORGANIC PHOTONIC MATERIALS AND DEVICES XIX. Vol. 101010. SPIE. doi:10.1117/12.2250823.
Vancouver
1.
Missinne J, Teigell Beneitez N, Chiesura G, Luyckx G, Degrieck J, Van Steenberge G. Flexible thin polymer waveguide Bragg grating sensor foils for strain sensing. In: ORGANIC PHOTONIC MATERIALS AND DEVICES XIX. SPIE; 2017.
IEEE
[1]
J. Missinne, N. Teigell Beneitez, G. Chiesura, G. Luyckx, J. Degrieck, and G. Van Steenberge, “Flexible thin polymer waveguide Bragg grating sensor foils for strain sensing,” in ORGANIC PHOTONIC MATERIALS AND DEVICES XIX, San Francisco, United States, 2017, vol. 101010.
@inproceedings{8524624,
  abstract     = {{This paper demonstrates that epoxy-based single mode polymer waveguides with Bragg gratings can be realized in very thin (down to 50 micron) polymer foils which are suitable for strain sensing when integrated inside glass fiber reinforced polymer composite materials. The single mode waveguides were fabricated using laser direct-write lithography and the gratings were realized using nanoimprint lithography. These steps were performed on a temporary rigid carrier substrate and afterwards the functional layers were released yielding the thin, flexible sensor foils which can be laser-cut to the required dimensions.
The Bragg grating-based polymer waveguide sensor foils were characterized before and after embedding into the composite. As expected, there was a blue shift in the reflection spectrum because of residual strain due to the embedding process. However, the quality of the signal did not degrade after embedding, both for 50 and 100 micron thick sensor foils. Finally, the sensitivity to strain of the embedded sensors was determined using a tensile test and found to be about 1 pm / microstrain.}},
  articleno    = {{UNSP 101010X}},
  author       = {{Missinne, Jeroen and Teigell Beneitez, Nuria and Chiesura, Gabriele and Luyckx, Geert and Degrieck, Joris and Van Steenberge, Geert}},
  booktitle    = {{ORGANIC PHOTONIC MATERIALS AND DEVICES XIX}},
  isbn         = {{978-1-5106-0643-2}},
  issn         = {{0277-786X}},
  keywords     = {{Bragg grating sensor,composite,epoxy,flexible,foil,polymer waveguide,nanoimprinting,strain sensing}},
  language     = {{eng}},
  location     = {{San Francisco, United States}},
  pages        = {{6}},
  publisher    = {{SPIE}},
  title        = {{Flexible thin polymer waveguide Bragg grating sensor foils for strain sensing}},
  url          = {{http://doi.org/10.1117/12.2250823}},
  volume       = {{101010}},
  year         = {{2017}},
}
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