3 papers
physics.app-ph2024
Ultra-low Frequency Acoustic Luneburg Lens
Liuxian Zhao, Xuxu Zhuang, Hao Guo +2
In this paper, a novel structural Luneburg lens with local resonators is proposed. This lens allows for the realization of subwavelength focusing in low frequency range. The lens i…
physics.app-ph2022
Structural Lens Based on Variable Thickness Structures
Liuxian Zhao, Chuanxing Bi, Miao Yu
In this article, we report a lens design based on a concentric circular structure with continuous changing of thickness defined in a thin plate structure for focusing a plane wave…
physics.app-ph2022
Acoustic Lenses Design based on the Rays Inserting Method
Liuxian Zhao, Chuanxing Bi, Miao Yu
The ability to control and manipulate elastic waves is important for applications such as structural health monitoring, signal processing, and vibration isolations. In this paper,…