Creation of acoustic vortex knots

Although knots in complex optical fields have been realized experimentally, the realization of acoustic vortex knots is still problematic. Here, the authors have demonstrated the creation of acoustic vortex knots by embedding the knot function into a propagating acoustic field using a metasurface ho...

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Bibliographic Details
Main Authors: Hongkuan Zhang, Weixuan Zhang, Yunhong Liao, Xiaoming Zhou, Junfei Li, Gengkai Hu, Xiangdong Zhang
Format: article
Language:EN
Published: Nature Portfolio 2020
Subjects:
Q
Online Access:https://doaj.org/article/4cc59c5bce0e4eecb340f43e82080b00
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