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 …

Observation of frequency band-switchable topological edge

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 exactly π and a perfect match of the amplitudes for the transmitted waves. By programming the coding sequences, acoustic metasurfaces with various functions, including ... Web摘要： Acoustic metasurfaces display unprecedented potential for their unique and flexible capabilities of wave front manipulations. Although rapid progress and significant developments have been achieved in this field, it still remains a significant challenge to obtain an acoustic metasurface that can perform different functions in three-dimensional … lying to ourselves white paper

Anomalous reflection and vortex beam generation by …

WebProgrammable metasurfaces have attracted significant attention in various applications such as radar and 6G communications, owing to their ability freely shape the far-field pattern. However, complex calculations and simulations are always required when designing specific far-field patterns, especially when irregular obstacles are outside the … WebJan 1, 2024 · By introducing the addition principle into the design theory and encoding different metasurfaces, the corresponding scattered beams can be superimposed to achieve the arbitrary modulation of the... 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 . lying tongue quote