Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre

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

doi:10.1117/12.854410

Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre

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

Aston Institute of Photonic Technologies (AiPT)

Research output: Chapter in Book/Published conference output › Conference publication

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 language	English
Title of host publication	Photonic Crystal Fibers IV
Editors	Kyriacos Kalli, Waclaw Urbanczyk
Place of Publication	Bellingham, WA (US)
Publisher	SPIE
Number of pages	10
ISBN (Print)	978-0-819-48187-0
DOIs	https://doi.org/10.1117/12.854410
Publication status	Published - 14 May 2010
Event	Photonic Crystal Fibres IV - Brussels - Photonics Europe Duration: 14 Apr 2010 → 16 Apr 2010

Publication series

Name	SPIE Proceedings
Publisher	SPIE
Volume	7714
ISSN (Print)	0277-786X
ISSN (Electronic)	2410-9045

Conference

Conference	Photonic Crystal Fibres IV
City	Brussels - Photonics Europe
Period	14/04/10 → 16/04/10

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

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10.1117/12.854410

Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre
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
Final published version, 3.67 MB

Cite this

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title = "Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre",

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.",

author = "Johnson, {Ian P.} and Webb, {David J.} and Kyriacos Kalli and Large, {Maryanne C.J.} and Alexander Argyros",

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 ; Photonic Crystal Fibres IV ; Conference date: 14-04-2010 Through 16-04-2010",

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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

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N1 - 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

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N2 - 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.

AB - 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.

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ER -

Multiplexed FBG sensor recorded in multimode microstructured polymer optical fibre

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