Laser & Optoelectronics Progress, Volume. 62, Issue 19, 1912003(2025)

Picosecond Ultrasonic in Metal Film Thickness Measurement Based on Asynchronous Optical Sampling

Yuanhao Zhu1, Dongyu Yan2, Jinyang Zou1, Ziling Wu1, Dongqing Pang1, Bowen Liu1, Chunguang Hu1, Youjian Song1、*, and Minglie Hu1
Author Affiliations
  • 1State Key Laboratory of Precision Measurement Technology and Instruments, Tianjin University, Tianjin 300072, China
  • 2School of Electronic Engineering, Tianjin University of Technology and Education, Tianjin 300222, China
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    References(38)

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    [15] Chen J J, Pi Y H, Pang Y X et al. Wide field-of-view multiscale noncontact photoacoustic intelligent defect-detection algorithm[J]. Chinese Journal of Lasers, 51, 2109002(2024).

    [36] Teng X D, Bai H Z, Li Q M et al. Asynchronous optical sampling for ultrafast pump-probe spectroscopy (invited)[J]. Acta Optica Sinica, 44, 1732009(2024).

    [38] Tian H C. Precise control of optical phase and coherent synthesis in femtosecond laser based optical frequency combs[D](2020).

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    Yuanhao Zhu, Dongyu Yan, Jinyang Zou, Ziling Wu, Dongqing Pang, Bowen Liu, Chunguang Hu, Youjian Song, Minglie Hu. Picosecond Ultrasonic in Metal Film Thickness Measurement Based on Asynchronous Optical Sampling[J]. Laser & Optoelectronics Progress, 2025, 62(19): 1912003

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Mar. 6, 2025

    Accepted: Apr. 17, 2025

    Published Online: Sep. 28, 2025

    The Author Email: Youjian Song (yjsong@tju.edu.cn)

    DOI:10.3788/LOP250771

    CSTR:32186.14.LOP250771

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