Wide Field-of-view and Broadband Terahertz Beam Steering Based on Gap Plasmon Geodesic Antennas
Liu, Kaipeng; Guo, Yinghui; Pu, Mingbo; Ma, Xiaoliang; Li, Xiong; Luo, Xiangang
2017
发表期刊Scientific Reports
ISSN2045-2322
卷号7
摘要Despite a plethora of applications ranging from wireless communications to sensing and spectroscopy, the current terahertz beam steering technologies suffer from tremendous insert loss, stringent control of electric bias, limited scanning angle, relatively complicated configuration and narrow operation bandwidth, preventing further practical application. We propose and demonstrate a conceptually new approach for terahertz beam steering by virtue of gap plasmon geodesic antennas. By adjusting the geometric dimension of the gap plasmon geodesic antennas, all gap plasmon modes add coherently along a peculiar direction that depends on the geodesic mean surface. Consequently, high directive beams are generated through the antenna, whose direction could be changed within a wide-angle range spanning +/- 45 degrees by lateral motion of the feed. Furthermore, an assembled antenna structure consisting of four-element geodesic antennas array is proposed for full 360 degrees beam steering, which can operate in a broadband range from 0.8 THz to 1.2 THz.
关键词ORBITAL ANGULAR-MOMENTUM PHASE-CHANGE MATERIAL QUARTER-WAVE PLATE SURFACE GUIDES PLANAR LIGHT LENS METASURFACES COLLIMATION
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8893
专题微细加工光学技术国家重点实验室(开放室)
作者单位Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Nanofabricat & Microeng, POB 350, Chengdu 610209, Peoples R China
推荐引用方式
GB/T 7714
Liu, Kaipeng,Guo, Yinghui,Pu, Mingbo,et al. Wide Field-of-view and Broadband Terahertz Beam Steering Based on Gap Plasmon Geodesic Antennas[J]. Scientific Reports,2017,7.
APA Liu, Kaipeng,Guo, Yinghui,Pu, Mingbo,Ma, Xiaoliang,Li, Xiong,&Luo, Xiangang.(2017).Wide Field-of-view and Broadband Terahertz Beam Steering Based on Gap Plasmon Geodesic Antennas.Scientific Reports,7.
MLA Liu, Kaipeng,et al."Wide Field-of-view and Broadband Terahertz Beam Steering Based on Gap Plasmon Geodesic Antennas".Scientific Reports 7(2017).
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