盘绕型声学超构材料的近零折射率特性研究

陈佳惠, 蓝君, 王浩然, 李义丰

Research on near⁃zero refraction characteristics of coiled acoustic metamaterials

Jiahui Chen, Jun Lan, Haoran Wang, Yifeng Li

图5 (a)“┐”和(b)“之”字形波导管声波隧穿效应结构图；由圆形盘绕型超构材料填充的(c)“┐”和(d)“之”字形波导管声波隧穿效应的声压场分布图；(e)“┐”和(f)“之”字形波导管的声压场分布图

Fig.5 (a) "┐" and (b) "zigzag"?shaped waveguides acoustic tunneling effect structure diagram; Acoustic pressure distribution of (c) "┐" and (d) "zigzag"?shaped waveguides filled with circular coiled metamaterials; Acoustic pressure distribution of (e) "┐" and (f) "Zigzag"?shaped waveguides