Bragg gratings inscription using PMMA polymer optical fibers drawn from preforms with specific thermal pre-treatment

Marques, Carlos A.F., Pospori, Andreas, Demirci, Gökhan, Cetinkaya, Onur, Gawdzik, Barbara, Antunes, Paulo, Mergo, Pawel and André, Paulo (2016). Bragg gratings inscription using PMMA polymer optical fibers drawn from preforms with specific thermal pre-treatment. IN: POF 2016: 25th International Conference on Plastic Optical Fibres - proceedings. Webb, David J.; Webb, David J.; Scully, Patricia and Sugden, Kate (eds) Birmingham (UK): Aston University.

Abstract

In this work, fiber Bragg gratings (FBGs) are inscribed in various undoped poly(methyl methacrylate) (PMMA) polymer optical fibres (POFs) using different types of UV lasers and inscription time and their temperature and strain sensitivities are investigated. The polymer optical fiber Bragg gratings (POFBGs) were inscribed using two UV lasers: a continuous UV HeCd @325 nm laser and a pulsed UV KrF @248 nm laser. The PMMA POFs drawn from a preform without specific thermal pre-treatment need more inscription time than the fibers drawn from a preform that has been pre-annealed at 80ºC for 2 weeks. Using both UV lasers, for the latter fiber less than half the inscription time is needed compared with a commercial undoped PMMA POF and other homemade POFs, where the preforms have not had a well-defined thermal pre-treatment. The effect on a POF from a preform that has been annealed prior to drawing is different as previously shown in the literature, where these POFs are much less sensitive to thermal treatment. Also, a proper polymerization process plays a key role as will be discussed. These results indicate the impact of preform thermal pre-treatment as well as polymerization process before the PMMA POFs drawing, which can be an essential characteristic in view of developing POF sensors technology.

Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
Additional Information: © The Author(s) 2017. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Event Title: 25th International Conference on Plastic Optical Fibres, POF 2016
Event Type: Other
Event Dates: 2016-09-13 - 2016-09-15
Uncontrolled Keywords: Electronic, Optical and Magnetic Materials,Polymers and Plastics,Materials Chemistry
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2016-12-01
Authors: Marques, Carlos A.F.
Pospori, Andreas ( 0000-0003-4866-1361)
Demirci, Gökhan
Cetinkaya, Onur
Gawdzik, Barbara
Antunes, Paulo
Mergo, Pawel
André, Paulo

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