Nature Communications (Jul 2019)

Ultrasonic super-oscillation wave-packets with an acoustic meta-lens

  • Ya-Xi Shen,
  • Yu-Gui Peng,
  • Feiyan Cai,
  • Kun Huang,
  • De-Gang Zhao,
  • Cheng-Wei Qiu,
  • Hairong Zheng,
  • Xue-Feng Zhu

DOI
https://doi.org/10.1038/s41467-019-11430-3
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 7

Abstract

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Here, the authors propose an ultrasonic meta-lens for generating super-oscillation wave packets with different spatial momenta and then superimposing them to a diffraction-limit-broken spot. They experimentally verify super-resolution ultrasound imaging of subwavelength objects.