Supporting data for "Shaping contactless radiation forces through anomalous acoustic scattering"

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2021-01-01
2022-09-01

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2022-09-01

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Supporting data for "Shaping contactless radiation forces through anomalous acoustic scattering"

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2022-09-15

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Abstract

Waves impart momentum and exert force on obstacles in their path. The transfer of wave momentum is a fundamental mechanism for contactless manipulation, yet the rules of conventional scattering intrinsically limit the radiation force based on the shape and the size of the manipulated object. Here, we show that this intrinsic limit can be broken for acoustic waves with subwavelength-structured surfaces (metasurfaces), where the force becomes controllable by the arrangement of surface features, independent of the object’s overall shape and size. Harnessing such anomalous metasurface scattering, we demonstrate complex actuation phenomena: self-guidance, where a metasurface object is autonomously guided by an acoustic wave, and tractor beaming, where a metasurface object is pulled by the wave. Our results show that bringing metasurface physics of acoustic waves, and its full arsenal of tools, to the domain of mechanical manipulation opens new frontiers in contactless actuation and enables diverse actuation mechanisms that are beyond the limits of traditional wave-matter interactions.

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The data set includes the experimental and simulation data for the article, Shaping contactless radiation forces through anomalous acoustic scattering.

Referenced by

Stein, M., Keller, S., Luo, Y. et al. Shaping contactless radiation forces through anomalous acoustic scattering. Nat Commun 13, 6533 (2022).
https://doi.org/10.1038/s41467-022-34207-7

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Minnesota Robotics Institute, Air Force Office of Scientific Research (AFOSR)

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Stein, Matthew; Keller, Sam; Luo, Yujie; Ilic, Ognjen. (2022). Supporting data for "Shaping contactless radiation forces through anomalous acoustic scattering". Retrieved from the Data Repository for the University of Minnesota (DRUM), https://doi.org/10.13020/zkrr-ny94.

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