A fiber optic EFPI high temperature sensor

Qianwei Cai; Yi Jiang; Wenhui Ding

doi:10.3788/gxjs20123801.0036

A fiber optic EFPI high temperature sensor

Qianwei Cai^*, Yi Jiang, Wenhui Ding

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

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

1 Citation (Scopus)

Abstract

A fiber optic Extrinsic Fabry-Perot Interferometer (EFPI) high-temperature sensor based on steel capillary encapsulation is demonstrated. By using different materials with different coefficients of thermal expansion, the cavity length of the sensor is sensitive to the change of temperature, and the sensor can be used in high temperature situations. The sensor has many characteristics such as simple structure, high sensitivity, high-temperature durability and so on. Experimental results show that it has a sensitivity of 0.3837μm/°C, linearity of 0.9956, and a resolution of 0.26°C. Its normal operating temperature range is 0-400°C.

Original language	English
Pages (from-to)	36-39
Number of pages	4
Journal	Guangxue Jishu/Optical Technique
Volume	38
Issue number	1
DOIs	https://doi.org/10.3788/gxjs20123801.0036
Publication status	Published - Jan 2012

Keywords

EFPI
Fiber sensor
Guided wave optics
High temperature

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title = "A fiber optic EFPI high temperature sensor",

abstract = "A fiber optic Extrinsic Fabry-Perot Interferometer (EFPI) high-temperature sensor based on steel capillary encapsulation is demonstrated. By using different materials with different coefficients of thermal expansion, the cavity length of the sensor is sensitive to the change of temperature, and the sensor can be used in high temperature situations. The sensor has many characteristics such as simple structure, high sensitivity, high-temperature durability and so on. Experimental results show that it has a sensitivity of 0.3837μm/°C, linearity of 0.9956, and a resolution of 0.26°C. Its normal operating temperature range is 0-400°C.",

keywords = "EFPI, Fiber sensor, Guided wave optics, High temperature",

author = "Qianwei Cai and Yi Jiang and Wenhui Ding",

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AU - Cai, Qianwei

AU - Jiang, Yi

AU - Ding, Wenhui

PY - 2012/1

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N2 - A fiber optic Extrinsic Fabry-Perot Interferometer (EFPI) high-temperature sensor based on steel capillary encapsulation is demonstrated. By using different materials with different coefficients of thermal expansion, the cavity length of the sensor is sensitive to the change of temperature, and the sensor can be used in high temperature situations. The sensor has many characteristics such as simple structure, high sensitivity, high-temperature durability and so on. Experimental results show that it has a sensitivity of 0.3837μm/°C, linearity of 0.9956, and a resolution of 0.26°C. Its normal operating temperature range is 0-400°C.

AB - A fiber optic Extrinsic Fabry-Perot Interferometer (EFPI) high-temperature sensor based on steel capillary encapsulation is demonstrated. By using different materials with different coefficients of thermal expansion, the cavity length of the sensor is sensitive to the change of temperature, and the sensor can be used in high temperature situations. The sensor has many characteristics such as simple structure, high sensitivity, high-temperature durability and so on. Experimental results show that it has a sensitivity of 0.3837μm/°C, linearity of 0.9956, and a resolution of 0.26°C. Its normal operating temperature range is 0-400°C.

KW - EFPI

KW - Fiber sensor

KW - Guided wave optics

KW - High temperature

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JF - Guangxue Jishu/Optical Technique

IS - 1

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A fiber optic EFPI high temperature sensor

Abstract

Keywords

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