Microstructured PMMA POF chirped Bragg gratings for strain sensing

Rui Min*, Beatriz Ortega, Christian Broadway, Xuehao Hu, Christophe Caucheteur, Ole Bang, Paulo Antunes, Carlos Marques

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review


We demonstrate a chirped microstructured polymer fiber Bragg grating based on taper technology for strain
sensing application. The effective bandwidth of the grating is dependent on strain and remains practically
constant with respect to temperature and humidity changes. We report a sensitivity of 0.90 pm/µε for the central
wavelength under stable temperature and humidity values. The 3-dB bandwidth of the grating has been measured
under different temperature and humidity conditions.
Original languageEnglish
JournalOptical Fiber Technology
Pages (from-to)330-335
Publication statusPublished - 2018


  • Polymer optical fibers
  • Fiber Bragg gratings
  • Optical fiber devices
  • Optical filters


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