3 papers
physics.app-ph2018
Topological-charge dependence of radiation torque for an acoustic-vortex spanner
Yuzhi Li, Gepu Guo, Juan Tu +5
Based on the analyses of the wave front and the wave vector of an acoustic-vortex (AV) spanner generated by a circular array of point source, the principle of object rotation is in…
cond-mat.mtrl-sci2014
Ultra-Broadband Acoustic Metasurface for Manipulating the Reflected Waves
Yi-Fan Zhu, Xin-Ye Zou, Rui-Qi Li +4
We have designed and experimentally realized an ultra-broadband acoustic metasurface (UBAM) capable of going beyond the intrinsic limitation of bandwidth in existing designs of opt…
physics.class-ph2011
Harry Potter's Cloak
X. F. Zhu, B. Liang, J. Tu +2
The magic "Harry Potter's cloak" has been the dream of human beings for really long time. Recently, transformation optics inspired from the advent of metamaterials offers great ver…