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Nondispersive acoustic manipulation based on gradient curved waveguides

  • 发布时间:2021-08-01
  • 点击次数:
  • 发表刊物:Journal of Applied Physics
  • 摘要:We propose that the propagation of acoustic waves in two-dimensional space can be controlled by the design of gradient embedded paths, which is inspired by a combination of metasurfaces and the inverse method of transformation optics. The phase variation along each gradient embedded path is smooth so that there is almost no reflection below a critical frequency. More importantly, the functionalities of devices designed by our approach are frequency-independent over a pretty broad band. In our work, gradient embedded paths are realized with gradient curved waveguides. Various potential …
  • 卷号:129
  • 期号:18
  • 页面范围:185105
  • 是否译文:
  • 发表时间:2021

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