Sensor interrogation technique using chirped fibre grating based Sagnac loop

Donghui Zhao; Xuewen Shu; Lin Zhang; Ian Bennion

doi:10.1049/el:20020224

Sensor interrogation technique using chirped fibre grating based Sagnac loop

Donghui Zhao, Xuewen Shu, Lin Zhang, Ian Bennion

Aston Institute of Photonic Technologies (AiPT)

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

Abstract

A novel and simple sensor interrogation scheme for fibre Bragg grating (FBG)-based sensing systems is demonstrated. In this scheme, a chirped FBG-based Sagnac loop is used as a wavelength-dependent receiver, and a stable and linear readout response is realised. It is a significant advantage of this scheme that the sensitivity and the measurement wavelength range can be easily adjusted by controlling the chirp of the FBG or using an optical delay line in the Sagnac loop.

Original language	English
Pages (from-to)	312-313
Number of pages	2
Journal	Electronics letters
Volume	38
Issue number	7
DOIs	https://doi.org/10.1049/el:20020224
Publication status	Published - 28 Mar 2002

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title = "Sensor interrogation technique using chirped fibre grating based Sagnac loop",

abstract = "A novel and simple sensor interrogation scheme for fibre Bragg grating (FBG)-based sensing systems is demonstrated. In this scheme, a chirped FBG-based Sagnac loop is used as a wavelength-dependent receiver, and a stable and linear readout response is realised. It is a significant advantage of this scheme that the sensitivity and the measurement wavelength range can be easily adjusted by controlling the chirp of the FBG or using an optical delay line in the Sagnac loop.",

author = "Donghui Zhao and Xuewen Shu and Lin Zhang and Ian Bennion",

year = "2002",

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AU - Zhao, Donghui

AU - Shu, Xuewen

AU - Zhang, Lin

AU - Bennion, Ian

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Y1 - 2002/3/28

N2 - A novel and simple sensor interrogation scheme for fibre Bragg grating (FBG)-based sensing systems is demonstrated. In this scheme, a chirped FBG-based Sagnac loop is used as a wavelength-dependent receiver, and a stable and linear readout response is realised. It is a significant advantage of this scheme that the sensitivity and the measurement wavelength range can be easily adjusted by controlling the chirp of the FBG or using an optical delay line in the Sagnac loop.

AB - A novel and simple sensor interrogation scheme for fibre Bragg grating (FBG)-based sensing systems is demonstrated. In this scheme, a chirped FBG-based Sagnac loop is used as a wavelength-dependent receiver, and a stable and linear readout response is realised. It is a significant advantage of this scheme that the sensitivity and the measurement wavelength range can be easily adjusted by controlling the chirp of the FBG or using an optical delay line in the Sagnac loop.

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UR - http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=995478

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DO - 10.1049/el:20020224

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SN - 0013-5194

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JO - Electronics letters

JF - Electronics letters

IS - 7

ER -

Sensor interrogation technique using chirped fibre grating based Sagnac loop

Abstract

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