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Design of Autonomous Miniaturized Spherical Acoustic Sensor for Complexe Media Characterization

Amina Medjdoub 1 Daher Diab 1, 2 Fabrice Lefebvre 1, 2 Nikolay Smagin 1, 3 Georges Nassar 1, 2 Stephane Serfaty 4 
2 MAMINA - IEMN - Matériaux et Acoustiques pour MIcro et NAno systèmes intégrés - IEMN
IEMN-DOAE - Institut d’Électronique, de Microélectronique et de Nanotechnologie - Département Opto-Acousto-Électronique - UMR 8520
3 TPIA - IEMN - Transduction, Propagation et Imagerie Acoustique - IEMN
IEMN-DOAE - Institut d’Électronique, de Microélectronique et de Nanotechnologie - Département Opto-Acousto-Électronique - UMR 8520
Abstract : In this work, a spherical device (1 cm in diameter) composed of two assembled hemispherical shells integrating both the active element (piezoelectric ring) and the integrated electronics dedicated to coding, control and analysis was developed as an acoustic sensor. This autonomous sensor can operate simultaneously as a transmitter and a receiver around its fundamental frequency (32 kHz). Viewing these characteristics, operation within a sensor network could be envisaged and it will be possible to map the acoustic properties of a given medium characterized by a heterogeneous dispersion due to imposed dynamic motion.
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Submitted on : Wednesday, February 23, 2022 - 2:08:32 PM
Last modification on : Wednesday, September 28, 2022 - 5:59:45 AM
Long-term archiving on: : Tuesday, May 24, 2022 - 6:39:20 PM

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Amina Medjdoub, Daher Diab, Fabrice Lefebvre, Nikolay Smagin, Georges Nassar, et al.. Design of Autonomous Miniaturized Spherical Acoustic Sensor for Complexe Media Characterization. 2017 Cosmetic Measurements And Testing (COSMETIC), Jun 2017, Cergy-Pontoise, France. pp.1-4, ⟨10.1109/COMET.2017.8521468⟩. ⟨hal-03564206⟩

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