Implementation of acoustic demultiplexing with membrane-type metasurface   in low frequency range

doi:10.1063/1.4981898

CORC > 北京大学 > 工学院

	Implementation of acoustic demultiplexing with membrane-type metasurface in low frequency range
	Chen, Xing ; Liu, Peng ; Hou, Zewei ; Pei, Yongmao
刊名	APPLIED PHYSICS LETTERS
	2017
关键词	SURFACE-PLASMONS RESONATORS SUPERLENS SPACE
DOI	10.1063/1.4981898
英文摘要	Wavelength division multiplexing technology, adopted to increase the information density, plays a significant role in optical communication. However, in acoustics, a similar function can be hardly implemented due to the weak dispersion in natural acoustic materials. Here, an acoustic demultiplexer, based on the concept of metasurfaces, is proposed for splitting acoustic waves and propagating along different trajectories in a low frequency range. An acoustic metasurface, containing multiple resonant units, is designed with various phase profiles for different frequencies. Originating from the highly dispersive properties, the resonant units are independent and merely work in the vicinity of their resonant frequencies. Therefore, by combing multiple resonant units appropriately, the phenomena of anomalous reflection, acoustic focusing, and acoustic wave bending can occur in different frequencies. The proposed acoustic demultiplexer has advantages on the subwavelength scale and the versatility in wave control, providing a strategy for separating acoustic waves with different Fourier components. Published by AIP Publishing.; National Natural Science Foundation of China [11521202, 11522214, 11227801, 11232001]; National Programs for Scientific Instruments Research and Development of China [2012YQ03007502]; Beijing NOVA Program [Z151100000315041]; SCI(E); ARTICLE; 16; 110
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/473965]
专题	工学院
推荐引用方式 GB/T 7714	Chen, Xing,Liu, Peng,Hou, Zewei,et al. Implementation of acoustic demultiplexing with membrane-type metasurface in low frequency range[J]. APPLIED PHYSICS LETTERS,2017.
APA	Chen, Xing,Liu, Peng,Hou, Zewei,&Pei, Yongmao.(2017).Implementation of acoustic demultiplexing with membrane-type metasurface in low frequency range.APPLIED PHYSICS LETTERS.
MLA	Chen, Xing,et al."Implementation of acoustic demultiplexing with membrane-type metasurface in low frequency range".APPLIED PHYSICS LETTERS (2017).