Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre

Ian P. Johnson, David J. Webb, Kyriacos Kalli, Maryanne C.J. Large, Alexander Argyros

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

Abstract

Fibre Bragg gratings have been inscribed in multimode microstructured polymer optical fibre (POF), with a core size of 50μm. The microstructured POF (mPOF) consists of a three ring hole structure and is made purely from poly(methyl methacrylate) (PMMA). In comparison to silica fibre, POF has a much smaller Young's modulus and a much greater breaking strain; additionally multimode fibre holds advantages of ease of handling and launching conditions. A linear strain sensitivity of 1.32 ± 0.01pm/με has been measured in the range 0 to 2% strain. The fibre drawing process leads to a degree of molecular alignment along the fibre axis. This alignment can be thermally annealed out; this can induce a permanent blue shift in the Bragg wavelength of a grating fabricated prior to annealing by up to 20 nm. Utilising this, wavelength demultiplexed gratings can be fabricated using a single phase mask. As an illustration of this we present for the first time wavelength division multiplexing of the spectral response of three Bragg gratings in POF within the C-band region. Complementing this work, a technique of splicing mPOF to step index silica fibre is described using UV curing optical adhesive, allowing characterisation of Bragg gratings fabricated in this fibre.
Original languageEnglish
Title of host publicationPhotonic Crystal Fibers IV
EditorsKyriacos Kalli, Waclaw Urbanczyk
Place of PublicationBellingham, WA (US)
PublisherSPIE
Number of pages10
ISBN (Print)978-0-819-48187-0
DOIs
Publication statusPublished - 14 May 2010
EventPhotonic Crystal Fibres IV - Brussels - Photonics Europe
Duration: 14 Apr 201016 Apr 2010

Publication series

NameSPIE Proceedings
PublisherSPIE
Volume7714
ISSN (Print)0277-786X
ISSN (Electronic)2410-9045

Conference

ConferencePhotonic Crystal Fibres IV
CityBrussels - Photonics Europe
Period14/04/1016/04/10

Fingerprint

optical fibers
fibers
sensors
polymers
Bragg gratings
alignment
gratings
silicon dioxide
splicing
launching
C band
wavelength division multiplexing
curing
spectral sensitivity
blue shift
polymethyl methacrylate
wavelengths
adhesives
modulus of elasticity
masks

Bibliographical note

Ian P. Johnson ; David J. Webb ; Kyriacos Kalli ; Maryanne C. J. Large and Alexander Argyros. "Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre", Proc. SPIE 7714, Photonic Crystal Fibers IV, 77140D (May 14, 2010).

Copyright 2010 Society of Photo-Optical Instrumentation Engineers. 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/10.1117/12.854410

Cite this

Johnson, I. P., Webb, D. J., Kalli, K., Large, M. C. J., & Argyros, A. (2010). Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre. In K. Kalli, & W. Urbanczyk (Eds.), Photonic Crystal Fibers IV [77140D] (SPIE Proceedings; Vol. 7714). Bellingham, WA (US): SPIE. https://doi.org/10.1117/12.854410
Johnson, Ian P. ; Webb, David J. ; Kalli, Kyriacos ; Large, Maryanne C.J. ; Argyros, Alexander. / Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre. Photonic Crystal Fibers IV. editor / Kyriacos Kalli ; Waclaw Urbanczyk. Bellingham, WA (US) : SPIE, 2010. (SPIE Proceedings).
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Johnson, IP, Webb, DJ, Kalli, K, Large, MCJ & Argyros, A 2010, Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre. in K Kalli & W Urbanczyk (eds), Photonic Crystal Fibers IV., 77140D, SPIE Proceedings, vol. 7714, SPIE, Bellingham, WA (US), Photonic Crystal Fibres IV, Brussels - Photonics Europe, 14/04/10. https://doi.org/10.1117/12.854410

Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre. / Johnson, Ian P.; Webb, David J.; Kalli, Kyriacos; Large, Maryanne C.J.; Argyros, Alexander.

Photonic Crystal Fibers IV. ed. / Kyriacos Kalli; Waclaw Urbanczyk. Bellingham, WA (US) : SPIE, 2010. 77140D (SPIE Proceedings; Vol. 7714).

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

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Johnson IP, Webb DJ, Kalli K, Large MCJ, Argyros A. Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre. In Kalli K, Urbanczyk W, editors, Photonic Crystal Fibers IV. Bellingham, WA (US): SPIE. 2010. 77140D. (SPIE Proceedings). https://doi.org/10.1117/12.854410