Thomas Brunet

Centre National de la Recherche Scientifique

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About

Thomas Brunet is a leading figure in the physics of acoustic metamaterials and ultrasound, with a particular focus on the manipulation of sound through complex, structured media. His major contributions center on the design and fabrication of highly controlled emulsions that exhibit sharp, multipolar acoustic resonances, effectively creating "acoustic atoms" that can be programmed to achieve unprecedented control over wave propagation. His seminal 2012 paper on sharp acoustic multipolar-resonances in highly monodisperse emulsions (35 citations) demonstrated how robotic production of calibrated droplets could precisely target effective acoustic properties in strongly scattering media, a foundational step for designing metamaterials. Expanding this concept, Brunet pioneered the development of magneto-responsive materials, as shown in his 2014 work (21 citations), where he engineered fluorinated ferrofluid droplets suspended in a yield-stress hydrogel. This innovation allows for tuneable ultrasound scattering properties, opening new avenues for adaptive ultrasound spectroscopy and imaging. By merging materials chemistry with wave physics, Brunet’s work provides a powerful toolkit for creating smart, reconfigurable acoustic devices, establishing him as a key innovator in the field.