Article (Scientific journals)
Sensitivity-enhanced fiber-optic Fabry-Perot ultrasonic sensor based on direct laser writing of dual-resonant cavity
Wei, Heming; Wei, Yan; Zhuang, Changquan et al.
2024In IEEE Transactions on Instrumentation and Measurement, p. 1-1
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Keywords :
Fabry-Perot; Optical fiber sensors; Optical sensors; Two-photon 3D printing; Ultrasound detection; 3-D printing; 3D-printing; Acoustics waves; Fiber Sensor; Optical-; Two photon; Two-photon 3d printing; Instrumentation; Electrical and Electronic Engineering
Abstract :
[en] We report a dual-resonant cavity-based fiber-optic Fabry-Perot (FP) interferometer integrated on an optical fiber tip for ultrasound measurement, that is immediately printed through the utilization of two-photon polymerization technology employing direct laser writing. One of the resonant cavities is utilized for acoustic wave pressure amplification, while the other Fabry-Perot cavity is functionalized as an optical resonator. The combination of the two cavities can significantly enhance the vibration of the diaphragm, which can be used for the detection of weak acoustic waves. To improve its responsivity to acoustic waves, the designed structure is optimized by adjusting the parameters thickness of the upper diaphragm and the distance between the double diaphragms. The results show that the fabricated device can achieve low noise equivalent acoustic signal level of 26.9 μPa/Hz1/2@100 kHz. This value is much higher than that of FP devices with single uniform diaphragm. Such miniature sensor has broad prospects for development applicable to fields of structural health monitoring, photoacoustic imaging, and underwater acoustic sensing.
Disciplines :
Materials science & engineering
Author, co-author :
Wei, Heming ;  Shanghai University, Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai, China
Wei, Yan ;  Shanghai University, Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai, China
Zhuang, Changquan ;  Shanghai University, Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai, China
He, Guoqiang ;  Shanghai University, Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai, China
Yang, Tian ;  Shanghai Jiao Tong University, State Key Laboratory of Advanced Optical Communication Systems and Networks, Key Laboratory for Thin Film and Microfabrication, The Ministry of Education, School of Electronic Information and Electrical Engineering, Shanghai, China
Zhang, Xiaobei ;  Shanghai University, Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai, China
Pang, Fufei ;  Shanghai University, Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai, China
Wang, Tingyun ;  Shanghai University, Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai, China
Krishnaswamy, Sridhar ;  Northwestern University, Center for Smart Structures & Materials, Department of Mechanical Engineering, Evanston, United States
Caucheteur, Christophe  ;  Université de Mons - UMONS > Faculté Polytechnique > Service d'Electromagnétisme et Télécommunications
Hu, Xuehao  ;  Université de Mons - UMONS > Recherche > Service ERC Unit - Advanced Photonic
Language :
English
Title :
Sensitivity-enhanced fiber-optic Fabry-Perot ultrasonic sensor based on direct laser writing of dual-resonant cavity
Publication date :
2024
Journal title :
IEEE Transactions on Instrumentation and Measurement
ISSN :
0018-9456
eISSN :
1557-9662
Publisher :
Institute of Electrical and Electronics Engineers Inc.
Pages :
1-1
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
F108 - Electromagnétisme et Télécommunications
Research institute :
Research Institute for Materials Science and Engineering
Funders :
National Natural Science Foundation of China
Natural Science Foundation of Shanghai
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since 08 January 2025

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