Production and Characterization of Polycarbonate Microstructured Polymer Optical Fiber Bragg Grating Sensor

Andrea Fasano, Getinet Woyessa, P. Stajanca, Christos Markos, Alessio Stefani, Kristian Nielsen, Henrik K. Rasmussen, K. Krebber, Ole Bang

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Abstract

We present the fabrication and characterization of a polycarbonate (PC) microstructured polymer optical fiber (mPOF) and the writing of a fiber Bragg grating (FBG) in it to obtain a polymer optical FBG sen-sor. The manufacturing process of the PC mPOF consists of multiple consecutive stages, such as casting of pol-ymer granulates into a solid rod, machining and drilling of a 3-ring hexagonal lattice of holes into it, and finally drawing into fiber. We demonstrate that the obtained PC mPOF is photosensitive and FBGs can be conveniently inscribed into it, thereby enabling FBG-based temperature and strain sensing. The PC optical fibers are for some applications an attractive alternative to conventional materials used in POF fabrication, such as polymethyl methacrylate (PMMA). In general, PC can be used at temperature up to 120 °C and breaks at considerably higher strains than PMMA.
Original languageEnglish
Title of host publicationProceedings of the 24th International Conference on Plastic Optical Fibers
Number of pages4
Publication date2015
Publication statusPublished - 2015
EventThe 24th International Conference on Plastic Optical Fibers - Nuremberg/Franconia , POF 2015, Germany
Duration: 22 Sep 201524 Sep 2015

Conference

ConferenceThe 24th International Conference on Plastic Optical Fibers
LocationNuremberg/Franconia
Country/TerritoryGermany
CityPOF 2015
Period22/09/201524/09/2015

Keywords

  • Bragg gratings
  • Microstructured optical fibers
  • Polycarbonat
  • Polymers

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