Scanning Antenna Constructed by a Plasmonic Waveguide with Periodic Subwavelength Metallic Hollow Blocks

被引：0
|
作者：
Chiueh, Her-Lih [1 ]
Yang, Tzong-Jer [2 ]
Wu, Jin Jei [2 ]
Wu, Chien-Jang [3 ]
Hou, Da Jun [3 ]
Shen, Jian Qi [4 ]
Lin, Yuli [5 ]
Kao, Yao-Huang [2 ]
Lo, Wen Chen [2 ]
机构：
[1] Lunghwa Univ Sci & Technol, Dept Elect Engn, Kueishan 33306, Tayouan, Taiwan
[2] Chung Hua Univ, Dept Elect Engn, Hsinchu 30012, Taiwan
[3] Natl Taiwan Normal Univ, Inst Electroopt Sci & Technol, Taipei 11677, Taiwan
[4] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, Hangzhou 310058, Zhejiang, Peoples R China
[5] Chung Hua Univ, Coll Engn, 707,Sec 2,Wu Fu Rd, Hsinchu 300, Taiwan
来源：
2016 PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM (PIERS) | 2016年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Based on a waveguide made of a subwavelength metal-block array with open slots, a kind of scanning antenna is proposed in this work. Low-frequency spoof surface plasmon polaritons (spoof SPPs) exist in this waveguide and under certain conditions, a leaky mode can be produced. The leaky mode could scan the radiation pencil-beam by angles of 53(omicron) when the input frequency changes. The leaky mode is derived from a negative slope dispersion curve of some new transmission modes. As this dispersion curve intersects with the light line, it becomes the leaky mode in high-frequency region. Numerical results reveal that the modal field of the transmission mode resides inside the interior of a hollow block as compared with that in a solid metal block array. Experimental verification of the leaky mode at microwave frequencies has been performed, and the results are found to be consistent with the theoretical analysis.
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页码：1850 / 1852
页数：3
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