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Wavefront modulation and subwavelength diffractive acoustics with an acoustic metasurface

Author

Listed:
  • Yangbo Xie

    (Duke University)

  • Wenqi Wang

    (Duke University)

  • Huanyang Chen

    (College of Physics, Optoelectronics and Energy, Soochow University)

  • Adam Konneker

    (Duke University)

  • Bogdan-Ioan Popa

    (Duke University)

  • Steven A. Cummer

    (Duke University)

Abstract

Metasurfaces are a family of novel wavefront-shaping devices with planar profile and subwavelength thickness. Acoustic metasurfaces with ultralow profile yet extraordinary wave manipulating properties would be highly desirable for improving the performance of many acoustic wave-based applications. However, designing acoustic metasurfaces with similar functionality to their electromagnetic counterparts remains challenging with traditional metamaterial design approaches. Here we present a design and realization of an acoustic metasurface based on tapered labyrinthine metamaterials. The demonstrated metasurface can not only steer an acoustic beam as expected from the generalized Snell’s law, but also exhibits various unique properties such as conversion from propagating wave to surface mode, extraordinary beam-steering and apparent negative refraction through higher-order diffraction. Such designer acoustic metasurfaces provide a new design methodology for acoustic signal modulation devices and may be useful for applications such as acoustic imaging, beam steering, ultrasound lens design and acoustic surface wave-based applications.

Suggested Citation

  • Yangbo Xie & Wenqi Wang & Huanyang Chen & Adam Konneker & Bogdan-Ioan Popa & Steven A. Cummer, 2014. "Wavefront modulation and subwavelength diffractive acoustics with an acoustic metasurface," Nature Communications, Nature, vol. 5(1), pages 1-5, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6553
    DOI: 10.1038/ncomms6553
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    Cited by:

    1. Yifan Zhu & Liyun Cao & Aurélien Merkel & Shi-Wang Fan & Brice Vincent & Badreddine Assouar, 2021. "Janus acoustic metascreen with nonreciprocal and reconfigurable phase modulations," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    2. Li, Peng & Qian, Zhi & Zhang, Yinghong & Ma, Tingfeng & Kuznetsova, Iren E. & Qian, Zhenghua & Kolesov, Vladimir, 2023. "The energy focusing of reflected flexural waves via two adjacent phase-modulation-based lenses," Energy, Elsevier, vol. 267(C).
    3. Matthew Stein & Sam Keller & Yujie Luo & Ognjen Ilic, 2022. "Shaping contactless radiation forces through anomalous acoustic scattering," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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