Bragg gratings inscribed in solid-core microstructured single-mode polymer optical fiber drawn from a 3D-printed polycarbonate preform

Michal Zubel, A. Fasano, Getinet Woyessa, Rui Min, Arnaldo Leal-Junio, A. Theodosiou, C.A.F. Marques, Ole Bang, Beatriz Ortega, Kyriacos Kalli, A. Frizera-Neto, M.J. Pontes, Kate Sugden

Research output: Contribution to journalArticlepeer-review


This paper reports the first microstructured solid-core fiber drawn from a 3D-printed preform and the first fiber Bragg gratings inscribed in a fiber of this type. The presented fiber is made of polycarbonate and displays single-mode behavior. The fiber attenuation was the lowest reported so far for a POF drawn from a 3D-printed preform across a broad range of wavelengths. In addition, extensive fiber characterization results are presented and discussed including: fiber attenuation, mode simulations, dynamic thermomechanical analysis and thermo-optic coefficient. Fiber Bragg gratings are successfully inscribed in the produced fiber using three different lasers: a continuous wave helium-cadmium laser, a pulsed femtosecond frequency doubled ytterbium laser and ultra-violet nanosecond krypton fluoride laser. Mechanical testing of the fiber showed that the 3D printing approach did not introduce any unexpected or undesirable characteristics.
Index Terms— Fiber optics sensors, fiber Bragg gratings, microstructured fibers, fiber characterization, additive layer manufacturing, 3D printing, fused deposition modeling.
Original languageEnglish
Article number9120041
Pages (from-to)12744 - 12757
Number of pages14
JournalIEEE Sensors Journal
Issue number21
Early online date18 Jun 2020
Publication statusPublished - 1 Nov 2020

Bibliographical note

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Funding: The research leading to these results has received funding from the People Program (Marie Curie Actions) of the European Union's Seventh Framework Program FP7/2007-2013/ under REA grant agreement n° 608382. C. A. F.
Marques acknowledges FCT through programs UID/EEA/50008/2013,
UID/CTM/50025/2019 and SAICTPAC/0036/2015 and by the National
Funds through the Fundação para a Ciência e a Tecnologia / Ministério
da Educação e Ciência, and the European Regional Development Fund
under the PT2020 Partnership Agreement. This work is also funded by
national funds (OE), through FCT – Fundação para a Ciência e a
Tecnologia, I.P., in the scope of the framework contract foreseen in the
numbers 4, 5 and 6 of the article 23, of the Decree-Law 57/2016, of
August 29, changed by Law 57/2017, of July 19


  • 3D printing
  • Fiber optics sensors
  • additive layer manufacturing
  • fiber Bragg gratings
  • fiber characterization
  • fused deposition modeling
  • microstructured fibers


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