2024 Coding acoustic metasurfaces

Coding acoustic metasurfaces

Author: kzvr

August undefined, 2024

WebMetasurfaces, as a class of emergent platforms, have shown enormous potentials in controlling classical waves. However, achieving simultaneous and dyn…

Coding acoustic metasurfaces for tunable focusing in three …

Web2 days ago · Download Citation Bubble-type coding metasurfaces for broadband deep subwavelength underwater acoustic manipulations We construct a reflective broadband acoustic coding metasurface using ... WebDec 1, 2016 · A tensor coding metasurface at terahertz (THz) frequency that could take full-state controls of an electromagnetic wave in terms of its polarization state, phase and amplitude distributions, and wave-vector mode is proposed. 51 A Review of THz Modulators with Dynamic Tunable Metasurfaces Lan Wang, Yaxin Zhang, +9 authors Ziqiang Yang … commercial savings by design

Coding Acoustic Metasurfaces - Xie - 2024 - Wiley Online Library

Web2 days ago · Download Citation Bubble-type coding metasurfaces for broadband deep subwavelength underwater acoustic manipulations We construct a reflective … WebMar 27, 2024 · acoustic coding metasurfaces and then present several illustrative e xamples to demonstrate the . potential of our approach in accura te control of both amplitude and phase distributions for all . WebDec 6, 2016 · To address the frequency-based coding capability, in this paper we report broadband acoustic coding metasurfaces (BACMs) whose units are designed by … dss allowance

Coding acoustic metasurfaces for tunable focusing in three …

Mutual Inductance and Coupling Effects in Acoustic Resonant …

WebAug 11, 2024 · Transcranial focused ultrasound (tFUS) is a promising technique for non-invasive and spatially targeted neuromodulation and treatment of brain diseases. Acoustic lenses were designed to correct the skull-induced beam aberration, but these designs could only generate static focused ultrasound beams inside the brain. Here, we designed and … WebMay 13, 2024 · Abstract. Acoustic focusing has been widely applied in biological and industrial fields. In this work, a coding acoustic metasurface consisting of two kinds of … dss algorithmWebJun 29, 2024 · The manipulation of acoustic waves plays an important role in a wide range of applications. Currently, acoustic wave manipulation typically relies on either acoustic … dss allegany county ny

"WebAug 19, 2024 · In this work, we present a type of binary metasurface (BM) to generate an acoustic Airy beam in air. Two coding bits, a rectangular cavity (bit “0”) and a waveguide with seven Helmholtz resonators (bit “1”), are adopted to construct the acoustic structure, which offers degrees of freedom to manipulate the transmitted field. " - Coding acoustic metasurfaces

Coding acoustic metasurfaces

Frequency-selective modulation of reflected wave fronts using …

WebCoding acoustic metasurfaces can combine simple logical bits to acquire sophisticated functions in wave control. The acoustic logical bits can achieve a phase difference of … WebMar 8, 2024 · Here, we propose the multi-bit coding acoustic metasurfaces to manipulate the reflection of acoustic waves. Theoretical predictions and experimental results are given to demonstrate the functions of wave …

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WebDec 6, 2016 · Abstract. Coding acoustic metasurfaces can combine simple logical bits to acquire sophisticated functions in wave control. The acoustic logical bits can achieve … WebAcoustic focusing has been widely applied in biological and industrial fields. In this work, a coding acoustic metasurface consisting of two kinds of hexagonal coding bits is designed. Using the metasurface, acoustic focusing can be implemented in three-dimensional space.

WebDec 18, 2024 · To overcome these shortcomings, here we propose frequency-selected bifunctional coding acoustic metasurfaces. Dual-layer Helmholtz-like resonators are … WebJan 11, 2024 · Here, the authors report an approach for creating various acoustic wavefronts in free space by using soft gradient-index porous metasurfaces. These flat lenses generate steered planar, focused ...

Web1 day ago · Bubble-type coding metasurfaces for broadband deep subwavelength underwater acoustic manipulations. Ping Han 1, Zhan-Dong Huang 2, Hao-Wen Dong 3 … WebWu, Dawei. Acoustic focusing has been widely applied in biological and industrial fields. In this work, a coding acoustic metasurface consisting of two kinds of hexagonal coding …

WebApr 1, 2024 · As an analogue of the binary acoustic metasurfaces (BAMs), the sparse binary elastic metasurfaces (SBEMs) which consist of two different coding units with sparse arrangement is designed. A systematic design method based on topology optimization (TO) is developed to search the coding units.

WebNov 18, 2024 · 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 ... dss allowedWebOct 18, 2024 · Here, we propose a general theory of space-time modulated digital coding metasurfaces to obtain simultaneous manipulations of EM waves in both space and … dss albccWebDec 18, 2024 · Recently, coding metasurfaces have been demonstrated to realize fascinating functions in acoustics, including far-field modulation, focusing, and vortex … dss analystWebFeb 1, 2024 · By programming the coding sequences, acoustic metasurfaces with various functions, including creating peculiar antenna patterns and waves focusing, have been … dss albany countyWebCoding 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 ... dss aluminum driveshaftWebOct 15, 2024 · Ya Zhang, Boyang Xie, Wenwei Liu, Hua Cheng, Shuqi Chen*, and Jianguo Tian, “Anomalous reflection and vortex beam generation by multi-bit coding acoustic metasurfaces,” Appl. Phys. Lett. 114, 091905 (2024). dss alleghany county ncWebApr 2, 2024 · Investigations on coding metasurfaces have been extended to acoustics [5], [19], [47], [48]. For instance, Xie et al. have proposed the concept of coding acoustic metasurface [19] and achieved the multifunctional modulation by shifting the transmitted phases on the surface in real time [49]. However, some existing coding AMs have … commercials bristol