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Abstract

Fringe Visibility Enhanced Fiber-Optic Fabry-Perot Interferometric Sensor for Highly Sensitive Ultrasound Detection †

by
Xueguang Qiao
*,
Wenlu Zhang
,
Ruohui Wang
*,
Qiangzhou Rong
,
Zhihua Shao
and
Weijia Bao
Department of Physics, Northwest University, Xi’an 710069, China
*
Authors to whom correspondence should be addressed.
†
Presented at the 5th International Symposium on Sensor Science (I3S 2017), Barcelona, Spain, 27–29 September 2017.
Proceedings 2017, 1(8), 808; https://doi.org/10.3390/proceedings1080808
Published: 6 December 2017
(This article belongs to the Proceedings of Proceedings of the 5th International Symposium on Sensor Science (I3S 2017))
Versions Notes
A fringe visibility enhanced fiber-optic Fabry-Perot functionalized diaphragm based ultrasonic sensor is proposed and experimentally demonstrated for ultrasound sensing. The sensor consists of a fiber-optic collimator and a PTFE diaphragm to form a Fabry-Perot interferometer. Due to the significantly increase in the slope of the sensor spectral sideband and the smaller Young’s modulus of the PTFE, a high response to both continuous and pulsed ultrasound with a high SNR of 42.92 dB in 300 kHz is achieved when the spectral sideband filter technique is used to interrogate the sensor.

Conflicts of Interest

The authors declare no conflict of interest.
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Share and Cite

MDPI and ACS Style

Qiao, X.; Zhang, W.; Wang, R.; Rong, Q.; Shao, Z.; Bao, W. Fringe Visibility Enhanced Fiber-Optic Fabry-Perot Interferometric Sensor for Highly Sensitive Ultrasound Detection. Proceedings 2017, 1, 808. https://doi.org/10.3390/proceedings1080808

AMA Style

Qiao X, Zhang W, Wang R, Rong Q, Shao Z, Bao W. Fringe Visibility Enhanced Fiber-Optic Fabry-Perot Interferometric Sensor for Highly Sensitive Ultrasound Detection. Proceedings. 2017; 1(8):808. https://doi.org/10.3390/proceedings1080808

Chicago/Turabian Style

Qiao, Xueguang, Wenlu Zhang, Ruohui Wang, Qiangzhou Rong, Zhihua Shao, and Weijia Bao. 2017. "Fringe Visibility Enhanced Fiber-Optic Fabry-Perot Interferometric Sensor for Highly Sensitive Ultrasound Detection" Proceedings 1, no. 8: 808. https://doi.org/10.3390/proceedings1080808

APA Style

Qiao, X., Zhang, W., Wang, R., Rong, Q., Shao, Z., & Bao, W. (2017). Fringe Visibility Enhanced Fiber-Optic Fabry-Perot Interferometric Sensor for Highly Sensitive Ultrasound Detection. Proceedings, 1(8), 808. https://doi.org/10.3390/proceedings1080808

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