Optics and Precision Engineering, Volume. 32, Issue 17, 2708(2024)

Radio-frequency heterodyne detection of fiber-optic ultrasonic sensor

Wuxing LIUFU1... Yizhi LIANG1,*, Junjie CAO1, Xiaoxuan ZHONG1, Jinying LI2, Wei HUANG2 and Long JIN1 |Show fewer author(s)
Author Affiliations
  • 1College of Physics and Optoelectronics Engineering, Guangdong Provincial Key Laboratory on Optical Fiber Sensing and Communications, Jinan University, Guangzhou50632, China
  • 2Department of Gastroenterology, First Affiliated Hospital of Jinan University, Guangzhou51063, China
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    Figures & Tables(5)
    Optical fiber ultrasonic sensing system and demodulation method
    Amplitude spectrum transfer function with Lth of 3.5 m
    Comparison of performance of optical fiber ultrasonic sensors with two demodulation techniques
    Schematic diagram of optical fiber photoacoustic
    Comparison of imaging results and SNR at different intestinal locations. (a), (b) are vascular structures near the anus, (e)、(f) are vascular structures about 1cm from the anus , (c) Signal strength data extracted from white boxes (a) and (b), (g) Signal strength data extracted from white boxes (c) and (f), (d) is the signal-to-noise ratio at the ordinate corresponding to points ①, ②, ③, and ④ in (c), (h) is the signal-to-noise ratio at the ordinate corresponding to ①, ②, ③, and ④ points in (g)
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    Wuxing LIUFU, Yizhi LIANG, Junjie CAO, Xiaoxuan ZHONG, Jinying LI, Wei HUANG, Long JIN. Radio-frequency heterodyne detection of fiber-optic ultrasonic sensor[J]. Optics and Precision Engineering, 2024, 32(17): 2708

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    Paper Information

    Category: Precision Measurement and Sensing

    Received: May. 20, 2024

    Accepted: --

    Published Online: Nov. 18, 2024

    The Author Email: LIANG Yizhi (liangyizhi88528@gmail.com)

    DOI:10.37188/OPE.20243217.2708

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