Highly Directive Leaky-Wave Antennas Based on PT-Symmetric Metasurfaces

被引：0

作者：

Hajizadegan, Mehdi ^{[1
]}

Zhu, Liang ^{[1
]}

Chen, Pai-Yen ^{[1
]}

机构：

[1] Univ Illinois, Dept Elect & Comp Engn, Chicago, IL 60680 USA

来源：

PROCEEDINGS OF THE 2019 INTERNATIONAL CONFERENCE ON ELECTROMAGNETICS IN ADVANCED APPLICATIONS (ICEAA) | 2019年

关键词：

parity-time (PT)-symmetry; metachannel; super-directivity; epsilon-near-zero (ENZ); leaky-wave antennas;

D O I：

10.1109/iceaa.2019.8879306

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：

We present here parity-time (PT)-symmetric metasurfaces that effectively form an artificial channel (or metachannel) with exotic zero- or low-index characteristics. We show that this PT-synthetic metachannel locked at the coherent perfect absorber-laser (CPAL) point can support an almost nonattenuated fast-wave propagation, thus resulting in a highly directive radiation leakage. Further, the directive beam can be steered from broadside to end-fire by varying the gain-loss parameter (or non-Hermiticity) of the PT system.

引用

页码：891 / 893

页数：3

共 50 条

[21] PT-symmetric metasurfaces: wave manipulation and sensing using singular points
Sakhdari, Maryam
Farhat, Mohamed
Chen, Pai-Yen
NEW JOURNAL OF PHYSICS, 2017, 19
[22] Contactless Excitation of Leaky-Wave Antennas
Wang, Kan
Emara, Mohamed K.
Smy, Tom J.
Gupta, Shulabh
2023 17TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION, EUCAP, 2023,
[23] A Review of Reconfigurable Leaky-Wave Antennas
Javanbakht, Nima
Syrett, Barry
Amaya, Rony E.
Shaker, Jafar
IEEE ACCESS, 2021, 9 : 94224 - 94238
[24] Analysis of Broadband Highly-Directive Fabry-Perot Cavity Leaky-Wave Antennas with Two Periodic Layers
Mateo-Segura, C.
Feresidis, A. P.
Goussetis, G.
2010 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, 2010,
[25] Spiral Leaky-Wave Antennas Based on Modulated Surface Impedance
Minatti, Gabriele
Caminita, Francesco
Casaletti, Massimiliano
Maci, Stefano
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2011, 59 (12) : 4436 - 4444
[26] Directivity Enhancement and Spurious Radiation Suppression in Leaky-Wave Antennas Using Inductive Grid Metasurfaces
Blanco, Darwin
Rajo-Iglesias, Eva
Maci, Stefano
Llombart, Nuria
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2015, 63 (03) : 891 - 900
[27] Resonant and Leaky-Wave Reconfigurable Antennas based on Graphene Plasmonics
Perruisseau-Carrier, J.
Tamagnone, M.
Gomez-Diaz, J. S.
Esquius-Morote, M.
Mosig, J. R.
2013 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM (APSURSI), 2013, : 136 - +
[28] Series Arrangement Technique for Highly-Directive PCB Leaky-Wave Antennas With Application to RFID UHF Frequency Scanning Systems
Poveda-Garcia, Miguel
Gil-Martinez, Alejandro
Algaba-Brazalez, Astrid
Canete-Rebenaque, David
Gomez-Tornero, Jose Luis
IEEE OPEN JOURNAL OF ANTENNAS AND PROPAGATION, 2024, 5 (05): : 1193 - 1208
[29] New millimeter-wave leaky-wave antennas
Lampariello, P
1997 ASIA-PACIFIC MICROWAVE CONFERENCE PROCEEDINGS, VOLS I-III, 1997, : 405 - 408
[30] Design Methodology of Single-Layer Dual-Band Metasurfaces for Leaky-Wave Antennas
Memeletzoglou, N.
Blanco Montero, D.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2023, 71 (02) : 1196 - 1203

← 1 2 3 4 5 →