Chirped polymer optical fiber Bragg grating sensors

Carlos A.F. Marques; L. Pereira; P. Antunes; P. Mergo; D.J. Webb; J.L. Pinto; P. André

doi:10.1117/12.2264902

Chirped polymer optical fiber Bragg grating sensors

Carlos A.F. Marques, L. Pereira, P. Antunes, P. Mergo, D.J. Webb, J.L. Pinto, P. André

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

Abstract

We report chirped fiber Bragg gratings (CFBGs) photo-inscribed in undoped PMMA polymer optical fibre (POF) for the first time. The chirped polymer optical fiber Bragg gratings (CPOFBGs) were inscribed using an UV KrF excimer laser operating at 248 nm. The rectangular gauss laser beam was expanded to 25 mm in horizontal direction along the fiber core by a cylindrical lens, giving a total of 25 mm grating length. A 25 mm long chirped phase mask chosen for 1550 nm grating inscription was used. The laser frequency was 1 Hz with an energy of 5 mJ per exposure, exposing few pulses for each grating inscription. The reflection amplitude spectrum evolution of a CPOFBG is investigated as a function of the applied strain and temperature. Also, some results regarding to group delay are collected and discussed. These results pave the way to further developments in different fields, where POFs could present some advantages preferably replacing their silica counterparts.

Original language	English
Title of host publication	Micro-Structured and Specialty Optical Fibres V
Editors	Kyriacos Kalli, et al
Publisher	SPIE
Number of pages	5
ISBN (Electronic)	978-1-5106-0965-5
DOIs	https://doi.org/10.1117/12.2264902
Publication status	Published - 16 May 2017
Event	SPIE Optics + Optoelectronics - Prague, Czech Republic Duration: 24 Apr 2017 → 27 Apr 2017

Publication series

Name	SPIE Proceedings
Publisher	SPIE
Volume	10232
ISSN (Print)	0277-786X
ISSN (Electronic)	2410-9045

Conference

Conference	SPIE Optics + Optoelectronics
Country/Territory	Czech Republic
City	Prague
Period	24/04/17 → 27/04/17

Bibliographical note

Carlos A. F. Marques, L. Pereira, P. Antunes, P. Mergo, D. J. Webb, J. L. Pinto, P. André, "Chirped polymer optical fiber Bragg grating sensors", Proc. SPIE 10232, Micro-structured and Specialty Optical Fibres V, 102320N (16 May 2017).

Copyright 2017 Society of Photo-Optical Instrumentation Engineers (SPIE). 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/10.1117/12.2264902

Keywords

sensing chirp
fiber Bragg gratings
polymer optical fiber sensors

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10.1117/12.2264902

Chirped polymer optical fiber Bragg grating sensors
Carlos A. F. Marques, L. Pereira, P. Antunes, P. Mergo, D. J. Webb, J. L. Pinto, P. André, "Chirped polymer optical fiber Bragg grating sensors", Proc. SPIE 10232, Micro-structured and Specialty Optical Fibres V, 102320N (16 May 2017). Copyright 2017 Society of Photo-Optical Instrumentation Engineers (SPIE). 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/10.1117/12.2264902
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Cite this

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abstract = "We report chirped fiber Bragg gratings (CFBGs) photo-inscribed in undoped PMMA polymer optical fibre (POF) for the first time. The chirped polymer optical fiber Bragg gratings (CPOFBGs) were inscribed using an UV KrF excimer laser operating at 248 nm. The rectangular gauss laser beam was expanded to 25 mm in horizontal direction along the fiber core by a cylindrical lens, giving a total of 25 mm grating length. A 25 mm long chirped phase mask chosen for 1550 nm grating inscription was used. The laser frequency was 1 Hz with an energy of 5 mJ per exposure, exposing few pulses for each grating inscription. The reflection amplitude spectrum evolution of a CPOFBG is investigated as a function of the applied strain and temperature. Also, some results regarding to group delay are collected and discussed. These results pave the way to further developments in different fields, where POFs could present some advantages preferably replacing their silica counterparts.",

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N2 - We report chirped fiber Bragg gratings (CFBGs) photo-inscribed in undoped PMMA polymer optical fibre (POF) for the first time. The chirped polymer optical fiber Bragg gratings (CPOFBGs) were inscribed using an UV KrF excimer laser operating at 248 nm. The rectangular gauss laser beam was expanded to 25 mm in horizontal direction along the fiber core by a cylindrical lens, giving a total of 25 mm grating length. A 25 mm long chirped phase mask chosen for 1550 nm grating inscription was used. The laser frequency was 1 Hz with an energy of 5 mJ per exposure, exposing few pulses for each grating inscription. The reflection amplitude spectrum evolution of a CPOFBG is investigated as a function of the applied strain and temperature. Also, some results regarding to group delay are collected and discussed. These results pave the way to further developments in different fields, where POFs could present some advantages preferably replacing their silica counterparts.

AB - We report chirped fiber Bragg gratings (CFBGs) photo-inscribed in undoped PMMA polymer optical fibre (POF) for the first time. The chirped polymer optical fiber Bragg gratings (CPOFBGs) were inscribed using an UV KrF excimer laser operating at 248 nm. The rectangular gauss laser beam was expanded to 25 mm in horizontal direction along the fiber core by a cylindrical lens, giving a total of 25 mm grating length. A 25 mm long chirped phase mask chosen for 1550 nm grating inscription was used. The laser frequency was 1 Hz with an energy of 5 mJ per exposure, exposing few pulses for each grating inscription. The reflection amplitude spectrum evolution of a CPOFBG is investigated as a function of the applied strain and temperature. Also, some results regarding to group delay are collected and discussed. These results pave the way to further developments in different fields, where POFs could present some advantages preferably replacing their silica counterparts.

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Chirped polymer optical fiber Bragg grating sensors

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