Fibre optic chemical sensor based on graphene oxide-coated long period grating

Chen Liu; Qi Cai; Zhongyuan Sun; Baojian Xu; Jianlong Zhao; Lin Zhang; Xianfeng Chen

doi:10.1117/12.2235671

Fibre optic chemical sensor based on graphene oxide-coated long period grating

Chen Liu, Qi Cai, Zhongyuan Sun, Baojian Xu, Jianlong Zhao, Lin Zhang, Xianfeng Chen

Aston Institute of Photonic Technologies (AiPT)

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

Abstract

In this work, a graphene oxide-coated long period fibre grating (GO-LPG) is proposed for chemical sensing application. Graphene oxide (GO) has been deposited on the surface of long period grating to form a sensing layer which significantly enhances the interaction between LPG propagating light and the surrounding-medium. The sensing mechanism of GO-LPG relies on the change of grating resonance intensity against surrounding-medium refractive index (SRI). The proposed GO-LPG has been used to measure the concentrations of sugar aqueous solutions. The refractive index sensitivities with 99.5 dB/RIU in low refractive index region (1.33-1.35) and 320.6 dB/RIU in high index region (1.42-1.44) have been achieved, showing an enhancement by a factor of 3.2 and 6.8 for low and high index regions, respectively. The proposed GO-LPG can be further extended to the development of optical biochemical sensor with advantages of high sensitivity, real-time and label-free sensing.

Original language	English
Title of host publication	Sixth European Workshop on Optical Fibre Sensors
Editors	Elfed Lewis
Place of Publication	Bellingham, WA (US)
Publisher	SPIE
Number of pages	4
ISBN (Print)	978-1-5106-0219-9
DOIs	https://doi.org/10.1117/12.2235671
Publication status	Published - 30 May 2016
Event	6th European Workshop on Optical Fibre Sensors - Ireland, Limerick, Ireland Duration: 31 May 2016 → 3 Jun 2016

Publication series

Name	SPIE Proceedings
Publisher	SPIE
Volume	9916
ISSN (Print)	0277-786X
ISSN (Electronic)	2410-9045

Conference

Conference	6th European Workshop on Optical Fibre Sensors
Abbreviated title	EWOFS 2016
Country/Territory	Ireland
City	Limerick
Period	31/05/16 → 3/06/16

Bibliographical note

-Chen Liu; Qi Cai; Zhongyuan Sun; Baojian Xu; Jianlong Zhao; Lin Zhang and Xianfeng Chen; "Fibre optic chemical sensor based on graphene oxide-coated long period grating", Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99160V (May 30, 2016).

Copyright 2016. 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/10.1117/12.2235671

Keywords

APTES salinization
chemical sensor
graphene oxide
long period grating

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10.1117/12.2235671

Fibre optic chemical sensor based on graphene oxide-coated long period grating
Chen Liu; Qi Cai; Zhongyuan Sun; Baojian Xu; Jianlong Zhao; Lin Zhang and Xianfeng Chen; "Fibre optic chemical sensor based on graphene oxide-coated long period grating", Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99160V (May 30, 2016). Copyright 2016. 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/10.1117/12.2235671
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http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2525061

Cite this

@inproceedings{9e6e9cc522d74cc7ba82ea835bea772c,

title = "Fibre optic chemical sensor based on graphene oxide-coated long period grating",

abstract = "In this work, a graphene oxide-coated long period fibre grating (GO-LPG) is proposed for chemical sensing application. Graphene oxide (GO) has been deposited on the surface of long period grating to form a sensing layer which significantly enhances the interaction between LPG propagating light and the surrounding-medium. The sensing mechanism of GO-LPG relies on the change of grating resonance intensity against surrounding-medium refractive index (SRI). The proposed GO-LPG has been used to measure the concentrations of sugar aqueous solutions. The refractive index sensitivities with 99.5 dB/RIU in low refractive index region (1.33-1.35) and 320.6 dB/RIU in high index region (1.42-1.44) have been achieved, showing an enhancement by a factor of 3.2 and 6.8 for low and high index regions, respectively. The proposed GO-LPG can be further extended to the development of optical biochemical sensor with advantages of high sensitivity, real-time and label-free sensing.",

keywords = "APTES salinization, chemical sensor, graphene oxide, long period grating",

author = "Chen Liu and Qi Cai and Zhongyuan Sun and Baojian Xu and Jianlong Zhao and Lin Zhang and Xianfeng Chen",

note = "-Chen Liu; Qi Cai; Zhongyuan Sun; Baojian Xu; Jianlong Zhao; Lin Zhang and Xianfeng Chen; {"}Fibre optic chemical sensor based on graphene oxide-coated long period grating{"}, Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99160V (May 30, 2016). Copyright 2016. 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/10.1117/12.2235671; 6th European Workshop on Optical Fibre Sensors, EWOFS 2016 ; Conference date: 31-05-2016 Through 03-06-2016",

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Liu, C, Cai, Q, Sun, Z, Xu, B, Zhao, J, Zhang, L & Chen, X 2016, Fibre optic chemical sensor based on graphene oxide-coated long period grating. in E Lewis (ed.), Sixth European Workshop on Optical Fibre Sensors., 99160V, SPIE Proceedings, vol. 9916, SPIE, Bellingham, WA (US), 6th European Workshop on Optical Fibre Sensors, Limerick, Ireland, 31/05/16. https://doi.org/10.1117/12.2235671

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AU - Cai, Qi

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AU - Xu, Baojian

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AU - Zhang, Lin

AU - Chen, Xianfeng

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PY - 2016/5/30

Y1 - 2016/5/30

N2 - In this work, a graphene oxide-coated long period fibre grating (GO-LPG) is proposed for chemical sensing application. Graphene oxide (GO) has been deposited on the surface of long period grating to form a sensing layer which significantly enhances the interaction between LPG propagating light and the surrounding-medium. The sensing mechanism of GO-LPG relies on the change of grating resonance intensity against surrounding-medium refractive index (SRI). The proposed GO-LPG has been used to measure the concentrations of sugar aqueous solutions. The refractive index sensitivities with 99.5 dB/RIU in low refractive index region (1.33-1.35) and 320.6 dB/RIU in high index region (1.42-1.44) have been achieved, showing an enhancement by a factor of 3.2 and 6.8 for low and high index regions, respectively. The proposed GO-LPG can be further extended to the development of optical biochemical sensor with advantages of high sensitivity, real-time and label-free sensing.

AB - In this work, a graphene oxide-coated long period fibre grating (GO-LPG) is proposed for chemical sensing application. Graphene oxide (GO) has been deposited on the surface of long period grating to form a sensing layer which significantly enhances the interaction between LPG propagating light and the surrounding-medium. The sensing mechanism of GO-LPG relies on the change of grating resonance intensity against surrounding-medium refractive index (SRI). The proposed GO-LPG has been used to measure the concentrations of sugar aqueous solutions. The refractive index sensitivities with 99.5 dB/RIU in low refractive index region (1.33-1.35) and 320.6 dB/RIU in high index region (1.42-1.44) have been achieved, showing an enhancement by a factor of 3.2 and 6.8 for low and high index regions, respectively. The proposed GO-LPG can be further extended to the development of optical biochemical sensor with advantages of high sensitivity, real-time and label-free sensing.

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KW - graphene oxide

KW - long period grating

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T3 - SPIE Proceedings

BT - Sixth European Workshop on Optical Fibre Sensors

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CY - Bellingham, WA (US)

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Y2 - 31 May 2016 through 3 June 2016

ER -

Fibre optic chemical sensor based on graphene oxide-coated long period grating

Abstract

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Keywords

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