Acoustic Wave Measurement by Temporal and Spatial Heterodyne Digital Holography

Daisuke Barada; Daisuke Barada; Shunki Ishibashi; Shunki Ishibashi; Yuri Morita; Yuri Morita

Proceedings of the 2022 International Symposium on Imaging, Sensing, and Optical Memory (ISOM) and the 13th International Conference on Optics-photonics Design and Fabrication (ODF)
Technical Digest Series (Optica Publishing Group, 2022),
paper IMPB_01

Acoustic Wave Measurement by Temporal and Spatial Heterodyne Digital Holography

Daisuke Barada, Shunki Ishibashi, and Yuri Morita

International Symposium on Imaging, Sensing, and Optical Memory 2022

Sapporo Japan
31 August–5 September 2022
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Holography I (IMPB)

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D. Barada, S. Ishibashi, and Y. Morita, "Acoustic Wave Measurement by Temporal and Spatial Heterodyne Digital Holography," in Proceedings of the 2022 International Symposium on Imaging, Sensing, and Optical Memory (ISOM) and the 13th International Conference on Optics-photonics Design and Fabrication (ODF), Technical Digest Series (Optica Publishing Group, 2022), paper IMPB_01.

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Abstract

In this paper, acoustic wave applied to a stain-less steel plane and the vibration of the plane was measured by our proposed method based on heterodyne digital holography. The wave shape of the acoustic wave was reconstructed by temporal and spatial Fourier analysis. The timing of the vibration was dependent on the position of the vibration plane.

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