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- Title
Continuous scanning leaky‐wave antenna utilizing second‐mode spoof surface plasmon polaritons excitation.
- Authors
Zhong, Tao; Zhang, Hou
- Abstract
Continuous scanning leaky‐wave antenna (LWA) based on second‐mode spoof surface plasmon polaritons (SSPPs) excitation has been proposed and validated in this article. Different from the existing modulation methods, connecting axisymmetric rectangular modulation is adopted to excite the −first harmonic. In this way, the slow‐wave bound on the surface of the transmission line is converted into a radiation wave in space. To the authors' knowledge, this is the first presentation of LWA design utilizing second‐mode SSPPs excitation. In the range from 5.0 to 9.0 GHz, the proposed LWA realizes continuous scanning from −54° ~ 11° with a quasi‐omnidirectional beam in the vertical plane. A prototype of the proposed antenna is fabricated and measured, and the measured results show good agreement with the simulated. The proposed LWA has potential applications in communication systems and radars.
- Subjects
LEAKY-wave antennas; ASTROPHYSICAL radiation; POLARITONS; ELECTRIC lines; OMNIDIRECTIONAL antennas; TELECOMMUNICATION systems; ANTENNAS (Electronics)
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2020, Vol 30, Issue 11, p1
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.22418