2 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…