基于声超纤维簇的声波调控

来源 :2017年西安-上海声学学会第五届声学学术会议 | 被引量 : 0次 | 上传用户:a522599301
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本文提出一种新型宽频带声超纤维簇.声超纤维簇不仅结构简单,灵活可调,还具有宽频带、高透射率、无共振能量损耗及透射声波波阵面不变等优点.此外,声超纤维单元可以对声波产生覆盖整个2π范围的相位延迟,从而实现声波阵面的任意复杂调制.基于上述性能,利用声超纤维簇分别实现声隐身及声负折射效应.声超纤维簇可在宽频带范围内同时实现声学超材料和声学超表面的功能,为设计具有广泛应用的新型声学器件提供新思路.
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