Fiber Bragg grating Sensor interrogation using chirped fiber grating-based sagnac loop

Donghui Zhao; Xuewen Shu; Yicheng Lai; Lin Zhang; Ian Bennion

doi:10.1109/JSEN.2003.820348

Fiber Bragg grating Sensor interrogation using chirped fiber grating-based sagnac loop

Donghui Zhao^*
, Xuewen Shu
, Yicheng Lai
, Lin Zhang
, Ian Bennion

^*Corresponding author for this work

Indigo Photonics Ltd
Aston University

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

29 Citations (Scopus)

Abstract

We have investigated numerically and experimentally a fiber Bragg grating (FBG) sensor interrogation scheme utilizing a linear chirped grating-based Sagnac loop as a wavelength-dependent receiver. The scheme is suitable for both static and dynamic sensor interrogation with advantages of stable and linear readout response and easily-adjustable sensing resolution and dynamic range. Static and dynamic strain resolutions as high as ± 4.2 με and 0.406 με/√ Hz have been demonstrated using this scheme.

Original language	English
Pages (from-to)	734-738
Number of pages	5
Journal	IEEE Sensors Journal
Volume	3
Issue number	6
DOIs	https://doi.org/10.1109/JSEN.2003.820348
Publication status	Published - Dec 2003

Keywords

chirped fiber grating
sagnac loop
sensor interrogation

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10.1109/JSEN.2003.820348

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abstract = "We have investigated numerically and experimentally a fiber Bragg grating (FBG) sensor interrogation scheme utilizing a linear chirped grating-based Sagnac loop as a wavelength-dependent receiver. The scheme is suitable for both static and dynamic sensor interrogation with advantages of stable and linear readout response and easily-adjustable sensing resolution and dynamic range. Static and dynamic strain resolutions as high as ± 4.2 με and 0.406 με/√ Hz have been demonstrated using this scheme.",

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AU - Bennion, Ian

PY - 2003/12

Y1 - 2003/12

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AB - We have investigated numerically and experimentally a fiber Bragg grating (FBG) sensor interrogation scheme utilizing a linear chirped grating-based Sagnac loop as a wavelength-dependent receiver. The scheme is suitable for both static and dynamic sensor interrogation with advantages of stable and linear readout response and easily-adjustable sensing resolution and dynamic range. Static and dynamic strain resolutions as high as ± 4.2 με and 0.406 με/√ Hz have been demonstrated using this scheme.

KW - chirped fiber grating

KW - sagnac loop

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ER -

Fiber Bragg grating Sensor interrogation using chirped fiber grating-based sagnac loop

Abstract

Keywords

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