【作者】 杨强； 熊汉； 邓嘉豪； 王薪； 彭文雄； 张淮清；

【Author】 Qiang Yang;Han Xiong;JiaHao Deng;Xin Wang;Wenxiong Peng;Huaiqing Zhang;School of Microelectronics and Communication Engineering, Chongqing University;State Key Laboratory of Power Transmission Equipment & System Security and New Technology,Chongqing University;

【机构】 重庆大学微电子与通信工程学院； 重庆大学输配电装备及系统安全与新技术国家重点实验室；

【摘要】 本文设计了一款对入射平面波极化不敏感的超表面单元,可将平面波(PWs)转化为表面波(SWs),并将该单元通过相位梯度调制组成超表面阵列,实现表面波的中心聚焦。该梯度调制超表面(GMs)阵列仅利用电磁超表面(EMs)的物理性质即可实现对入射电磁波的能量收集,收集效率超过61%。在能量聚焦区域,通过嵌入一个全向天线,捕获并导出汇聚的SWs能量,便于后续整流与能量存储。设计了一块圆形GMs阵列,仿真结果表明入射平面波成功转化为表面波并向中心区域汇聚,全向天线成功捕获汇聚能量至负载端口。更多还原

【Abstract】 In this paper, we design a polarization-insensitive meta-surface cell that converts plane waves(PWs) into surface waves(SWs), and modulate the cells with Gradient-index to arrange a array to achieve the centrally focused SWs. The gradient-index meta-surface(GMs) array can harvests energy from incident PWs with 61% collection efficiency exploiting only the physical properties of electromagnetic meta-surfaces(EMs). An omnidirectional antenna is embedded in the energy focusing region to capture and export the energy for subsequent rectification and storage. We design a circular GMs array, and the simulation results show that the PWs are successfully converted to SWs and focused on the central region. The omnidirectional antenna successfully captures energy to the load port.更多还原