A Fabry–Pérot interferometer strain sensor composed of a rounded rectangular air cavity with a thin wall for high sensitivity and interference contrast

Qiao Li; Jianxin Wang; Haiwei Mu; Jingwei Lv; Lin Yang; Ying Shi; Zao Yi; Paul K. Chu; Qiang Liu; Chao Liu

doi:10.1016/j.optcom.2022.128920

A Fabry–Pérot interferometer strain sensor composed of a rounded rectangular air cavity with a thin wall for high sensitivity and interference contrast

Qiao Li, Jianxin Wang, Haiwei Mu, Jingwei Lv, Lin Yang, Ying Shi, Zao Yi, Paul K. Chu, Qiang Liu, Chao Liu^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

18 Citations (Scopus)

Abstract

A Fabry–Pérot interferometer (FPI) strain sensor with high sensitivity and interference contrast is designed and fabricated by a simple, cost effective, and safe process which can be scaled up for commercial production. The excellent strain sensitivity of 8 pm/μɛ and interference contrast of 25 dB stem from the special structure with the unique air cavity, small wall thickness, and excellent reflection surface of the air cavity. The strain-temperature cross-sensitivity of the sensor is only 0.59 μɛ/°C in the temperature range of 20–80°C. The sensor has large potential in applications such as strain sensing.

Original language	English
Article number	128920
Journal	Optics Communications
Volume	527
Online published	29 Aug 2022
DOIs	https://doi.org/10.1016/j.optcom.2022.128920
Publication status	Published - 15 Jan 2023

Research Keywords

Air cavity
Fabry–Pérot interferometer
Interference contrast
Optical fiber sensor
Strain sensitivity

Access Output

10.1016/j.optcom.2022.128920

Other Access Options

Check CityUHK Library

Permanent Link

Right click to copy link

Cite this

@article{3a37c3da06594ac68ac92c49f23a1daa,

title = "A Fabry–P{\'e}rot interferometer strain sensor composed of a rounded rectangular air cavity with a thin wall for high sensitivity and interference contrast",

abstract = "A Fabry–P{\'e}rot interferometer (FPI) strain sensor with high sensitivity and interference contrast is designed and fabricated by a simple, cost effective, and safe process which can be scaled up for commercial production. The excellent strain sensitivity of 8 pm/μɛ and interference contrast of 25 dB stem from the special structure with the unique air cavity, small wall thickness, and excellent reflection surface of the air cavity. The strain-temperature cross-sensitivity of the sensor is only 0.59 μɛ/°C in the temperature range of 20–80°C. The sensor has large potential in applications such as strain sensing.",

keywords = "Air cavity, Fabry–P{\'e}rot interferometer, Interference contrast, Optical fiber sensor, Strain sensitivity",

author = "Qiao Li and Jianxin Wang and Haiwei Mu and Jingwei Lv and Lin Yang and Ying Shi and Zao Yi and Chu, {Paul K.} and Qiang Liu and Chao Liu",

year = "2023",

month = jan,

day = "15",

doi = "10.1016/j.optcom.2022.128920",

language = "English",

volume = "527",

journal = "Optics Communications",

issn = "0030-4018",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - A Fabry–Pérot interferometer strain sensor composed of a rounded rectangular air cavity with a thin wall for high sensitivity and interference contrast

AU - Li, Qiao

AU - Wang, Jianxin

AU - Mu, Haiwei

AU - Lv, Jingwei

AU - Yang, Lin

AU - Shi, Ying

AU - Yi, Zao

AU - Chu, Paul K.

AU - Liu, Qiang

AU - Liu, Chao

PY - 2023/1/15

Y1 - 2023/1/15

N2 - A Fabry–Pérot interferometer (FPI) strain sensor with high sensitivity and interference contrast is designed and fabricated by a simple, cost effective, and safe process which can be scaled up for commercial production. The excellent strain sensitivity of 8 pm/μɛ and interference contrast of 25 dB stem from the special structure with the unique air cavity, small wall thickness, and excellent reflection surface of the air cavity. The strain-temperature cross-sensitivity of the sensor is only 0.59 μɛ/°C in the temperature range of 20–80°C. The sensor has large potential in applications such as strain sensing.

AB - A Fabry–Pérot interferometer (FPI) strain sensor with high sensitivity and interference contrast is designed and fabricated by a simple, cost effective, and safe process which can be scaled up for commercial production. The excellent strain sensitivity of 8 pm/μɛ and interference contrast of 25 dB stem from the special structure with the unique air cavity, small wall thickness, and excellent reflection surface of the air cavity. The strain-temperature cross-sensitivity of the sensor is only 0.59 μɛ/°C in the temperature range of 20–80°C. The sensor has large potential in applications such as strain sensing.

KW - Air cavity

KW - Fabry–Pérot interferometer

KW - Interference contrast

KW - Optical fiber sensor

KW - Strain sensitivity

UR - http://www.scopus.com/inward/record.url?scp=85138075937&partnerID=8YFLogxK

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-85138075937&origin=recordpage

U2 - 10.1016/j.optcom.2022.128920

DO - 10.1016/j.optcom.2022.128920

M3 - RGC 21 - Publication in refereed journal

SN - 0030-4018

VL - 527

JO - Optics Communications

JF - Optics Communications

M1 - 128920

ER -

A Fabry–Pérot interferometer strain sensor composed of a rounded rectangular air cavity with a thin wall for high sensitivity and interference contrast

Abstract

Research Keywords

Access Output

Other Access Options

Permanent Link

Other Files and Links

Fingerprint

Cite this