Chirped polymer optical fiber Bragg grating sensors

Carlos A.F. Marques, L. Pereira, P. Antunes, P. Mergo, D.J. Webb, J.L. Pinto, P. André

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We report chirped fiber Bragg gratings (CFBGs) photo-inscribed in undoped PMMA polymer optical fibre (POF) for the first time. The chirped polymer optical fiber Bragg gratings (CPOFBGs) were inscribed using an UV KrF excimer laser operating at 248 nm. The rectangular gauss laser beam was expanded to 25 mm in horizontal direction along the fiber core by a cylindrical lens, giving a total of 25 mm grating length. A 25 mm long chirped phase mask chosen for 1550 nm grating inscription was used. The laser frequency was 1 Hz with an energy of 5 mJ per exposure, exposing few pulses for each grating inscription. The reflection amplitude spectrum evolution of a CPOFBG is investigated as a function of the applied strain and temperature. Also, some results regarding to group delay are collected and discussed. These results pave the way to further developments in different fields, where POFs could present some advantages preferably replacing their silica counterparts.

Original languageEnglish
Title of host publicationMicro-Structured and Specialty Optical Fibres V
EditorsKyriacos Kalli, et al
PublisherSPIE
Number of pages5
ISBN (Electronic)978-1-5106-0965-5
DOIs
Publication statusPublished - 16 May 2017
EventSPIE Optics + Optoelectronics - Prague, Czech Republic
Duration: 24 Apr 201727 Apr 2017

Publication series

NameSPIE Proceedings
PublisherSPIE
Volume10232
ISSN (Print)0277-786X
ISSN (Electronic)2410-9045

Conference

ConferenceSPIE Optics + Optoelectronics
CountryCzech Republic
CityPrague
Period24/04/1727/04/17

Fingerprint

Polymer Optical Fiber
Plastic optical fibers
Fiber Bragg Grating Sensor
Fiber Grating
Fiber Bragg gratings
Bragg Grating
Gratings
Bragg gratings
optical fibers
gratings
sensors
Sensors
polymers
Group Delay
UV Laser
Excimer Laser
fibers
Group delay
Excimer lasers
Polymethyl Methacrylate

Bibliographical note

Carlos A. F. Marques, L. Pereira, P. Antunes, P. Mergo, D. J. Webb, J. L. Pinto, P. André, "Chirped polymer optical fiber Bragg grating sensors", Proc. SPIE 10232, Micro-structured and Specialty Optical Fibres V, 102320N (16 May 2017).

Copyright 2017 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

DOI http://dx.doi.org/10.1117/12.2264902

Keywords

  • sensing chirp
  • fiber Bragg gratings
  • polymer optical fiber sensors

Cite this

Marques, C. A. F., Pereira, L., Antunes, P., Mergo, P., Webb, D. J., Pinto, J. L., & André, P. (2017). Chirped polymer optical fiber Bragg grating sensors. In K. Kalli, & et al (Eds.), Micro-Structured and Specialty Optical Fibres V [102320N] (SPIE Proceedings; Vol. 10232). SPIE. https://doi.org/10.1117/12.2264902
Marques, Carlos A.F. ; Pereira, L. ; Antunes, P. ; Mergo, P. ; Webb, D.J. ; Pinto, J.L. ; André, P. / Chirped polymer optical fiber Bragg grating sensors. Micro-Structured and Specialty Optical Fibres V. editor / Kyriacos Kalli ; et al. SPIE, 2017. (SPIE Proceedings).
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Marques, CAF, Pereira, L, Antunes, P, Mergo, P, Webb, DJ, Pinto, JL & André, P 2017, Chirped polymer optical fiber Bragg grating sensors. in K Kalli & et al (eds), Micro-Structured and Specialty Optical Fibres V., 102320N, SPIE Proceedings, vol. 10232, SPIE, SPIE Optics + Optoelectronics, Prague, Czech Republic, 24/04/17. https://doi.org/10.1117/12.2264902

Chirped polymer optical fiber Bragg grating sensors. / Marques, Carlos A.F.; Pereira, L.; Antunes, P.; Mergo, P.; Webb, D.J.; Pinto, J.L.; André, P.

Micro-Structured and Specialty Optical Fibres V. ed. / Kyriacos Kalli; et al. SPIE, 2017. 102320N (SPIE Proceedings; Vol. 10232).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - We report chirped fiber Bragg gratings (CFBGs) photo-inscribed in undoped PMMA polymer optical fibre (POF) for the first time. The chirped polymer optical fiber Bragg gratings (CPOFBGs) were inscribed using an UV KrF excimer laser operating at 248 nm. The rectangular gauss laser beam was expanded to 25 mm in horizontal direction along the fiber core by a cylindrical lens, giving a total of 25 mm grating length. A 25 mm long chirped phase mask chosen for 1550 nm grating inscription was used. The laser frequency was 1 Hz with an energy of 5 mJ per exposure, exposing few pulses for each grating inscription. The reflection amplitude spectrum evolution of a CPOFBG is investigated as a function of the applied strain and temperature. Also, some results regarding to group delay are collected and discussed. These results pave the way to further developments in different fields, where POFs could present some advantages preferably replacing their silica counterparts.

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Marques CAF, Pereira L, Antunes P, Mergo P, Webb DJ, Pinto JL et al. Chirped polymer optical fiber Bragg grating sensors. In Kalli K, et al, editors, Micro-Structured and Specialty Optical Fibres V. SPIE. 2017. 102320N. (SPIE Proceedings). https://doi.org/10.1117/12.2264902