Radiation of Forward and Backward Leaky Waves in Sinusoidally-Modulated Metasurfaces

被引：0
|
作者：
Ramalingam, Subramanian [1 ]
Balanis, Constantine A. [1 ]
Birtcher, Craig R. [1 ]
Shaman, Hussein N. [2 ]
机构：
[1] Arizona State Univ, Sch Elect Comp & Energy Engn, Tempe, AZ 85287 USA
[2] King Abdulaziz City Sci & Technol, Natl Ctr Sensors & Def Syst Technol, Riyadh 12371, Saudi Arabia
来源：
2019 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND USNC-URSI RADIO SCIENCE MEETING | 2019年
关键词：
SCALAR;
D O I：
10.1109/apusncursinrsm.2019.8889168
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：
This paper compares the radiation characteristics of forward and backward leaky waves in one-dimensionally periodic metasurface leaky-wave antennas (LWAs). Two LWAs are designed to form a fan beam along +30 degrees and -30 degrees from broadside at 15 GHz. It is shown that the LWA employing backward leaky waves has a higher scan-angle range (Delta theta = 55 degrees as compared to Delta theta = 34 degrees) and a slightly higher gain within the bandwidth of 13 - 19 GHz.
引用
收藏
页码：623 / 624
页数：2
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