Broadband gradient impedance matching using an acoustic metamaterial for ultrasonic transducers

Por Li, Zheng, Yang, Dan-Qing, Liu, Shi-Lei, Yu, Si-Yuan, Lu, Ming-Hui, Zhu, Jie, Zhang, Shan-Tao, Zhu, Ming-Wei, Guo, Xia-Sheng, Wu, Hao-Dong, Wang, Xin-Long, Chen, Yan-Feng
Publicado no Sci Rep (2017)