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

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.

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Autores principales: Ya-Xi Shen, Yu-Gui Peng, Feiyan Cai, Kun Huang, De-Gang Zhao, Cheng-Wei Qiu, Hairong Zheng, Xue-Feng Zhu
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
Materias:
Q
Acceso en línea:https://doaj.org/article/1d0ac369b5f04f5ba81b7bd00ad19536
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