In this article, we proposed a noncontact testing scheme for micrometer to sub-micrometer level ultrasonic vibration mainly generated by laser ultrasound upon the novel utilization of near-field microwaves. The measurement was performed based on a Ku-band near-field resonator-probe, which was optimized to perceive the low amplitude out-of-plane vibration in the ultrasonic range. A near-field electromagnetic measurement theory was established to help analyze the sensitivity and responsivity of the resonator-probe outfit. The electric field parameters were extracted with respect to the port based on a lumped-circuit model, which was further validated using a finite-element model. Experiments were carried out with respect to a piezoelectric ceramic disk designed to generate vibrations of desired amplitude, which is compatible to that in laser ultrasonic testing. The accuracy of the technique was assessed by comparing with the laser vibrometer measurement results. It was verified that the proposed near-field microwave probe can achieve considerable accuracy in perceiving sub-micrometer ultrasonic vibration up to 180 kHz.
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7 May 2022
Research Article|
May 04 2022
Noncontact measurement of sub-micrometer ultrasonic vibration by near-field microwave
Special Collection:
Non-Invasive and Non-Destructive Methods and Applications Part II
Cuiling Peng
;
Cuiling Peng
Xi'an Key Laboratory of Intelligent Instrument and Packaging Test, School of Mechano-Electronic Engineering, Xidian University
, Xi'an 710071, China
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Xiaolong Chen
;
Xiaolong Chen
a)
Xi'an Key Laboratory of Intelligent Instrument and Packaging Test, School of Mechano-Electronic Engineering, Xidian University
, Xi'an 710071, China
a)Authors to whom correspondence should be addressed: xlchen@mail.xidian.edu.cn and hthuan@xidian.edu.cn
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Huiting Huan;
Huiting Huan
a)
Xi'an Key Laboratory of Intelligent Instrument and Packaging Test, School of Mechano-Electronic Engineering, Xidian University
, Xi'an 710071, China
a)Authors to whom correspondence should be addressed: xlchen@mail.xidian.edu.cn and hthuan@xidian.edu.cn
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Liping Huang;
Liping Huang
Xi'an Key Laboratory of Intelligent Instrument and Packaging Test, School of Mechano-Electronic Engineering, Xidian University
, Xi'an 710071, China
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Jinsong Zhan;
Jinsong Zhan
Xi'an Key Laboratory of Intelligent Instrument and Packaging Test, School of Mechano-Electronic Engineering, Xidian University
, Xi'an 710071, China
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Lixian Liu
Lixian Liu
Xi'an Key Laboratory of Intelligent Instrument and Packaging Test, School of Mechano-Electronic Engineering, Xidian University
, Xi'an 710071, China
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a)Authors to whom correspondence should be addressed: xlchen@mail.xidian.edu.cn and hthuan@xidian.edu.cn
Note: This paper is part of the Special Topic on Non-Invasive and Non-Destructive Methods and Applications Part II.
J. Appl. Phys. 131, 174901 (2022)
Article history
Received:
November 18 2021
Accepted:
April 09 2022
Citation
Cuiling Peng, Xiaolong Chen, Huiting Huan, Liping Huang, Jinsong Zhan, Lixian Liu; Noncontact measurement of sub-micrometer ultrasonic vibration by near-field microwave. J. Appl. Phys. 7 May 2022; 131 (17): 174901. https://doi.org/10.1063/5.0079164
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