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.


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    Title :

    Imaging acoustic field with multicolor digital holography


    Contributors:

    Conference:

    Holography, Diffractive Optics, and Applications XII ; 2022 ; Online Only,China


    Published in:

    Proc. SPIE ; 12318


    Publication date :

    2022-12-19





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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