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Proceedings Paper

Measurements of high frequency vibration using fiber Bragg grating sensors packaged on PZT plate
Author(s): Qiaofeng Fang; Wentao Chen; Zhenyu Yin; Yunqi Liu
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Paper Abstract

We demonstrate the fiber Bragg grating (FBG) vibration sensors working at a frequency up to 900 kHz. The FBGs were surface-mounted on the piezoelectric (PZT) ceramic, which is used as the vibration sensor head. A nonlinear response was measured with a periodically strong response at the frequencies of 1 kHz, 5 kHz, 12 kHz, 40 kHz, 70 kHz and 400 kHz. Four kind of polymer were used to package the FBG on the PZT plate. The gratings have similar pattern of vibration response with different deviation on the output voltage. The FBGs packaged with the polymer 705B and EPO-TEK 353ND were found to have a better response at lower frequency, while the FBGs packaged with the polymer T120-023-C2 and TRA-BOND F112 have a better response at higher frequency. The sensors could be developed for the real-time monitoring of the large infrastructure.

Paper Details

Date Published: 11 November 2014
PDF: 7 pages
Proc. SPIE 9274, Advanced Sensor Systems and Applications VI, 92740H (11 November 2014); doi: 10.1117/12.2074165
Show Author Affiliations
Qiaofeng Fang, Shanghai Univ. (China)
Wentao Chen, Shanghai Univ. (China)
Zhenyu Yin, Shanghai Univ. (China)
Yunqi Liu, Shanghai Univ. (China)


Published in SPIE Proceedings Vol. 9274:
Advanced Sensor Systems and Applications VI
Tiegen Liu; Shibin Jiang; Niels Neumann, Editor(s)

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