Pressure and Temperature Sensor Based on Graphene Diaphragm and Fiber Bragg Gratings

Nannan Dong; Sumei Wang; Lan Jiang; Yi Jiang; Peng Wang; Liuchao Zhang

doi:10.1109/LPT.2017.2786292

Pressure and Temperature Sensor Based on Graphene Diaphragm and Fiber Bragg Gratings

Nannan Dong, Sumei Wang^*, Lan Jiang, Yi Jiang, Peng Wang, Liuchao Zhang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

A compact optical fiber sensor based on a Fabry-Perot interferometer (FPI) with an integrated fiber Bragg grating is proposed to measure pressure and temperature simultaneously. The light reflectors of the proposed FPI comprise a graphene film and a fiber end face. The sensitivities of the FPI sensor for measuring pressure and temperature are 501.4 nm/kPa and 306.2 nm/°C, respectively. Conflicting signals of pressure and temperature can cause cross-impact errors at 610 Pa/°C. The introduction of a fiber Bragg grating can effectively prevent the cross-impact of the FPI sensor. The pressure sensitivity obtained is 7.96 to 12 times higher than the previous study. The proposed fiber sensor can simultaneously measure pressure and temperature using a sensitivity matrix.

Original language	English
Pages (from-to)	431-434
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	30
Issue number	5
DOIs	https://doi.org/10.1109/LPT.2017.2786292
Publication status	Published - 1 Mar 2018

Keywords

Fabry-Perot interferometers
fiber Bragg gratings
pressure measurement
temperature measurement

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10.1109/LPT.2017.2786292

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title = "Pressure and Temperature Sensor Based on Graphene Diaphragm and Fiber Bragg Gratings",

abstract = "A compact optical fiber sensor based on a Fabry-Perot interferometer (FPI) with an integrated fiber Bragg grating is proposed to measure pressure and temperature simultaneously. The light reflectors of the proposed FPI comprise a graphene film and a fiber end face. The sensitivities of the FPI sensor for measuring pressure and temperature are 501.4 nm/kPa and 306.2 nm/°C, respectively. Conflicting signals of pressure and temperature can cause cross-impact errors at 610 Pa/°C. The introduction of a fiber Bragg grating can effectively prevent the cross-impact of the FPI sensor. The pressure sensitivity obtained is 7.96 to 12 times higher than the previous study. The proposed fiber sensor can simultaneously measure pressure and temperature using a sensitivity matrix.",

keywords = "Fabry-Perot interferometers, fiber Bragg gratings, pressure measurement, temperature measurement",

author = "Nannan Dong and Sumei Wang and Lan Jiang and Yi Jiang and Peng Wang and Liuchao Zhang",

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AU - Dong, Nannan

AU - Wang, Sumei

AU - Jiang, Lan

AU - Jiang, Yi

AU - Wang, Peng

AU - Zhang, Liuchao

PY - 2018/3/1

Y1 - 2018/3/1

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AB - A compact optical fiber sensor based on a Fabry-Perot interferometer (FPI) with an integrated fiber Bragg grating is proposed to measure pressure and temperature simultaneously. The light reflectors of the proposed FPI comprise a graphene film and a fiber end face. The sensitivities of the FPI sensor for measuring pressure and temperature are 501.4 nm/kPa and 306.2 nm/°C, respectively. Conflicting signals of pressure and temperature can cause cross-impact errors at 610 Pa/°C. The introduction of a fiber Bragg grating can effectively prevent the cross-impact of the FPI sensor. The pressure sensitivity obtained is 7.96 to 12 times higher than the previous study. The proposed fiber sensor can simultaneously measure pressure and temperature using a sensitivity matrix.

KW - Fabry-Perot interferometers

KW - fiber Bragg gratings

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KW - temperature measurement

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Pressure and Temperature Sensor Based on Graphene Diaphragm and Fiber Bragg Gratings

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Keywords

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