Coding Acoustic Metasurfaces
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- 作者：Boyang Xie ; Kun Tang ; Hua Cheng ; Zhengyou Liu ; Shuqi Chen and Jianguo Tian
- 刊名：Advanced Materials
- 出版年：2017
- 出版时间：February 10, 2017
- 年：2017
- 卷：29
- 期：6
- 全文大小：2483K
- ISSN：1521-4095
文摘
Coding acoustic metasurfaces can combine simple logical bits to acquire sophisticated functions in wave control. The acoustic logical bits can achieve a phase difference of exactly π and a perfect match of the amplitudes for the transmitted waves. By programming the coding sequences, acoustic metasurfaces with various functions, including creating peculiar antenna patterns and waves focusing, have been demonstrated.