09/18/2024, 06:42 PM UTC
微波“烟雾环”——寻求问题的解决方案Microwave ‘smoke rings’ – a solution in search of a problem
➀ 来自中国电子科技大学和新加坡南洋理工大学的学者们成功地在 GHz 频率下产生了电磁烟雾环。这些半稳定的环状电磁结构最早由南加州大学的海尔沃斯和诺奇在 1995 年提出。研究人员认为，这些涡旋环在数据传输和遥感领域具有潜在应用。➁ 涡旋环的独特光谱和极化特性使得它们比传统波携带更多信息。➂ 涡旋环内部的 skyrmion 结构为拓扑数据存储和处理提供了可能性。➀ Researchers from the University of Electronic Science and Technology of China and Nanyang Technological University in Singapore have generated GHz-frequency electromagnetic smoke rings. These semi-stable toroidal electromagnetic structures were first proposed theoretically in 1995 by Hellwarth and Nouchi at the University of Southern California. The researchers believe these vortex rings could have potential applications in data transmission and remote sensing. ➁ The unique spectral and polarization characteristics of the vortex rings allow them to carry more information compared to traditional waves. ➂ The skyrmion textures within the vortex rings offer possibilities for topological data storage and processing.
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