Imaging acoustic field with multicolor digital holography

Pascal Picart; Saoucène Hassad

doi:10.1117/12.2642501

19 December 2022 Imaging acoustic field with multicolor digital holography

Pascal Picart, Saoucène Hassad

Proceedings Volume 12318, Holography, Diffractive Optics, and Applications XII; 123181S (2022) https://doi.org/10.1117/12.2642501
Event: SPIE/COS Photonics Asia, 2022, Online Only

Abstract

This paper proposes an approach for acoustic field imaging using simultaneous multi-view digital holography based on three-color digital off-axis holography. Considering spatio-chromatic multiplexing and the recording with a monochrome sensor, the numerical processing of time-sequences of holograms yields both the amplitude and phase of the acoustic field along three different directions of observation. Experimental results with an emitter at 40kHz establish the proof-of concept of the proposed multi-view imaging for acoustic fields. Tomography imaging of the acoustic field is provided with multiple recordings when rotation the transducer.

Conference Presentation

Citation Download Citation

Pascal Picart and Saoucène Hassad "Imaging acoustic field with multicolor digital holography", Proc. SPIE 12318, Holography, Diffractive Optics, and Applications XII, 123181S (19 December 2022); https://doi.org/10.1117/12.2642501

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