论文标题
在三维中反复插曲的实验实现
Experimental realization of phonon demultiplexing in three-dimensions
论文作者
论文摘要
语音超材料能够实现许多类似于其电子对应物的声学成分，例如晶体管，逻辑门和计算器。其中的一个关键组成部分是Exultiplexer，该设备可以将多个信号接收并根据其频率分为单独的通道进行分类。先前对声学和弹性多路复用器的实验实现已经采用了带有支柱或孔的板，以供消退频率。但是，现有的实现仅限于二维，这可能会限制潜在的声学或弹性电路设计。在这里，我们展示了三维四维通道语音反复传播器的第一个实验实现。我们的设计方法基于一个大带隙内的传递捆绑，可以轻松调整以用于多通道频率消失。所提出的设计可以用于声学和弹性信息处理，无损评估和通信应用中。
Phononic metamaterials enabled the realization of many acoustic components analogous to their electronic counterparts, such as transistors, logic gates and calculators. A key component among these is the demultiplexer, a device that receives multiple signals and sorts them based on their frequencies into separate channels. Previous experimental realizations of acoustic and elastic multiplexers have employed plates with pillars or holes to demultiplex frequencies. However, existing realizations are confined to two-dimensions, which can limit potential acoustic or elastic circuit design. Here we show the first experimental realization of a three-dimensional, four channel phononic demultiplexer. Our design methodology is based on bundles of pass-bands within a large band gap that can easily be tuned for multi-channel frequency demultiplexing. The proposed design can be utilized in acoustic and elastic information processing, nondestructive evaluation and communication applications among others.
