Acoustic holographic method has been used in imaging,particle manipulation,material preparation and other fields.In acoustics,it is important to design the implementation of any acoustic wave formation surface[1-5].Tr...Acoustic holographic method has been used in imaging,particle manipulation,material preparation and other fields.In acoustics,it is important to design the implementation of any acoustic wave formation surface[1-5].Traditional methods use piezoelectric arrays to control any acoustic wave array.展开更多
Through the design of artificial structures, metamaterials can control the incident wave in the sub-wavelength range to achieve functions that natural materials cannot achieve, such as high absorption, negative refrac...Through the design of artificial structures, metamaterials can control the incident wave in the sub-wavelength range to achieve functions that natural materials cannot achieve, such as high absorption, negative refraction, cloaking [1–3],asymmetric propagation [4,5], and holography [6–8]. In recent years, the new concept of computational metamaterials[9–12] has opened up a new direction for analog computing。展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.12025201,11521202,11890681,and 11522214)Calculations are supported by High-Performance Computing Platform of Peking University,China。
文摘Acoustic holographic method has been used in imaging,particle manipulation,material preparation and other fields.In acoustics,it is important to design the implementation of any acoustic wave formation surface[1-5].Traditional methods use piezoelectric arrays to control any acoustic wave array.
基金supported by the National Natural Science Foundation of China(Grant Nos.12025201,11521202,11890681 and 11522214)supported by High-Performance Computing Platform of Peking University,China。
文摘Through the design of artificial structures, metamaterials can control the incident wave in the sub-wavelength range to achieve functions that natural materials cannot achieve, such as high absorption, negative refraction, cloaking [1–3],asymmetric propagation [4,5], and holography [6–8]. In recent years, the new concept of computational metamaterials[9–12] has opened up a new direction for analog computing。
