论文标题
拓扑边缘状态在磁共振成像中的应用
Application of topological edge states in magnetic resonance imaging
论文作者
论文摘要
电磁系统中的拓扑边缘状态具有一组吸引基本特性和基于稳健性和量身定位的预期应用。尽管在2D光子系统中实施拓扑保护的波导方面的积极努力,但一维拓扑系统的应用几乎仍然未知。这封信表明,拓扑边缘模式可以在具有临床磁共振成像(MRI)中实用的超材料启发的体积谐振器中实现。通过1.5 t MR扫描仪进行数值模拟和实验,我们重建了相关的拓扑边缘模式曲线,并证明了它们对敏感性增强的可行性增强常规射频线圈。
Topological edge states in electromagnetic systems feature a set of attracting fundamental properties and unveil prospective applications based on disorder robustness and tailored localization. Despite active efforts in implementing topologically-protected waveguides in 2D photonic systems, applications of 1D topological systems remain almost uncharted. This letter demonstrates that topological edge modes can be realized in metamaterial-inspired volumetric resonators with a practical application in clinical magnetic resonance imaging (MRI). Performing numerical simulations and experiments with a 1.5 T MR scanner, we reconstruct the associated topological edge mode profiles and demonstrate their feasibility for sensitivity enhancement of conventional radiofrequency coils.