Simultaneous measurements of temperature and pressure with a dual-cavity fabry-perot sensor

Liuchao Zhang; Yi Jiang; Hongchun Gao; Jingshan Jia; Yang Cui; Sumei Wang; Jie Hu

doi:10.1109/LPT.2018.2885337

Simultaneous measurements of temperature and pressure with a dual-cavity fabry-perot sensor

Liuchao Zhang, Yi Jiang^*, Hongchun Gao, Jingshan Jia, Yang Cui, Sumei Wang, Jie Hu

^*此作品的通讯作者

Beijing Institute of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

48 引用（Scopus）

摘要

A fiber-optic dual-cavity Fabry-Perot interferometric sensor for the simultaneous measurement of temperature and pressure is proposed and experimentally demonstrated. The sensor cascades a fiber-optic intrinsic Fabry-Perot interferometer (IFPI) and an extrinsic Fabry-Perot interferometer (EFPI). The IFPI is used as the temperature sensor and the EFPI is used as the pressure sensor. The pressure sensor is based on a diaphragm-free structure and can work stably at high temperature. Two optical path differences are interrogated simultaneously by using the fast Fourier transform-based white-light interferometry and the peak-to-peak method. Experimental results show that the proposed sensor exhibits a temperature sensitivity of 29.63 nm/°C within the temperature range of 40 °C-1100 °C and a pressure sensitivity of 1465.8 nm/MPa within the pressure range of 0-10 MPa at the room temperature.

源语言	英语
文章编号	8565992
页（从-至）	106-109
页数	4
期刊	IEEE Photonics Technology Letters
卷	31
期	1
DOI	https://doi.org/10.1109/LPT.2018.2885337
出版状态	已出版 - 1 1月 2019

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title = "Simultaneous measurements of temperature and pressure with a dual-cavity fabry-perot sensor",

abstract = "A fiber-optic dual-cavity Fabry-Perot interferometric sensor for the simultaneous measurement of temperature and pressure is proposed and experimentally demonstrated. The sensor cascades a fiber-optic intrinsic Fabry-Perot interferometer (IFPI) and an extrinsic Fabry-Perot interferometer (EFPI). The IFPI is used as the temperature sensor and the EFPI is used as the pressure sensor. The pressure sensor is based on a diaphragm-free structure and can work stably at high temperature. Two optical path differences are interrogated simultaneously by using the fast Fourier transform-based white-light interferometry and the peak-to-peak method. Experimental results show that the proposed sensor exhibits a temperature sensitivity of 29.63 nm/°C within the temperature range of 40 °C-1100 °C and a pressure sensitivity of 1465.8 nm/MPa within the pressure range of 0-10 MPa at the room temperature.",

keywords = "Fabry-Perot interferometers, Fiber optics sensors, femtosecond laser micromachining, pressure measurement, temperature measurement",

author = "Liuchao Zhang and Yi Jiang and Hongchun Gao and Jingshan Jia and Yang Cui and Sumei Wang and Jie Hu",

note = "Publisher Copyright: {\textcopyright} 1989-2012 IEEE.",

year = "2019",

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doi = "10.1109/LPT.2018.2885337",

language = "English",

volume = "31",

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T1 - Simultaneous measurements of temperature and pressure with a dual-cavity fabry-perot sensor

AU - Zhang, Liuchao

AU - Jiang, Yi

AU - Gao, Hongchun

AU - Jia, Jingshan

AU - Cui, Yang

AU - Wang, Sumei

AU - Hu, Jie

PY - 2019/1/1

Y1 - 2019/1/1

N2 - A fiber-optic dual-cavity Fabry-Perot interferometric sensor for the simultaneous measurement of temperature and pressure is proposed and experimentally demonstrated. The sensor cascades a fiber-optic intrinsic Fabry-Perot interferometer (IFPI) and an extrinsic Fabry-Perot interferometer (EFPI). The IFPI is used as the temperature sensor and the EFPI is used as the pressure sensor. The pressure sensor is based on a diaphragm-free structure and can work stably at high temperature. Two optical path differences are interrogated simultaneously by using the fast Fourier transform-based white-light interferometry and the peak-to-peak method. Experimental results show that the proposed sensor exhibits a temperature sensitivity of 29.63 nm/°C within the temperature range of 40 °C-1100 °C and a pressure sensitivity of 1465.8 nm/MPa within the pressure range of 0-10 MPa at the room temperature.

AB - A fiber-optic dual-cavity Fabry-Perot interferometric sensor for the simultaneous measurement of temperature and pressure is proposed and experimentally demonstrated. The sensor cascades a fiber-optic intrinsic Fabry-Perot interferometer (IFPI) and an extrinsic Fabry-Perot interferometer (EFPI). The IFPI is used as the temperature sensor and the EFPI is used as the pressure sensor. The pressure sensor is based on a diaphragm-free structure and can work stably at high temperature. Two optical path differences are interrogated simultaneously by using the fast Fourier transform-based white-light interferometry and the peak-to-peak method. Experimental results show that the proposed sensor exhibits a temperature sensitivity of 29.63 nm/°C within the temperature range of 40 °C-1100 °C and a pressure sensitivity of 1465.8 nm/MPa within the pressure range of 0-10 MPa at the room temperature.

KW - Fabry-Perot interferometers

KW - Fiber optics sensors

KW - femtosecond laser micromachining

KW - pressure measurement

KW - temperature measurement

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Simultaneous measurements of temperature and pressure with a dual-cavity fabry-perot sensor

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