A compact antenna structure for circular polarized terahertz radiation

被引：24
|
作者：
Shalini, M. [1 ]
Madhan, M. Ganesh [1 ]
机构：
[1] Anna Univ, Dept Elect Engn, MIT Campus, Chennai, Tamil Nadu, India
来源：
OPTIK | 2021年 / 231卷
关键词：
Terahertz radiation; Graphene antenna; Surface plasmons; Circular polarization; Axial ratio; Absorption cross section; PATCH ANTENNA; DICHROISM; BAND;
D O I：
10.1016/j.ijleo.2021.166393
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A compact circular polarized graphene-based patch antenna is proposed for THz applications. The proposed antenna consists of a microstrip patch radiator made of graphene and is designed on silicon-di-oxide substrate. Initially, a linear polarized antenna is developed with an axial ratio of 40 dB. Further, the proposed antenna is modified to achieve circular polarization by blending the opposite edges of the radiating patch, which makes the antenna simple in design and easy for fabrication. It operates at 2.05 THz and an axial ratio bandwidth of 0.5 THz is achieved. The proposed circular-polarized antenna provides a maximum return loss of-22 dB and a VSWR less than 1.5 over the operating band. A significant gain of 5.02 dB and an efficiency of 95 % are observed. The design is simulated using 3D Full-wave EM simulator based on Finite Difference Time Domain (FDTD) method.
引用
收藏
页数：11
相关论文
共 50 条
  • [41] A Compact Hollow Dual Circularly Polarized Antenna With Folded Coupled Feed Structure for Distance Detection Application
    Wu, Yanjie
    Ding, Kang
    Li, Genglu
    Li, Jianfeng
    Wu, Duolong
    IEEE ACCESS, 2020, 8 (08): : 90570 - 90576
  • [42] A wideband circularly polarized crossed dipole antenna with compact structure and frequency reconfiguration
    Li, Wentao
    Qu, Haotian
    Wang, Yiming
    Wei, Meng
    Hei, Yongqiang
    MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2021, 63 (07) : 1886 - 1891
  • [43] Design and modelling of a compact circularly polarized antenna for RFID applications
    Das, Tanmaya Kumar
    Dwivedy, Biswajit
    Behera, Debakanta
    Behera, Santanu Kumar
    Karmakar, Nemai Chandra
    AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, 2020, 123
  • [44] Compact Wideband Circularly Polarized Patch Antenna for CNSS Applications
    Liu, Qiang
    Liu, Yuanan
    Wu, Yongle
    Su, Ming
    Shen, Junyu
    IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 2013, 12 : 1280 - 1283
  • [45] Small Circular Polarized Antenna with Spiral Elements Suppressing Back-lobe Radiation
    Sakamoto, Hiroaki
    Makimura, Hidetoshi
    Nishimoto, Kengo
    Nishioka, Yasuhiro
    Inasawa, Yoshio
    Miyashita, Hiroaki
    2022 IEEE-APS TOPICAL CONFERENCE ON ANTENNAS AND PROPAGATION IN WIRELESS COMMUNICATIONS (IEEE APWC), 2022, : 14 - 17
  • [46] Design a dual circular polarized array antenna with fan-beam radiation pattern
    Jamali, Zeynab
    Taskhiri, Mohammad Mahdi
    INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING, 2022, 32 (10)
  • [47] A Compact Flexible Circularly Polarized Implantable Antenna for Biotelemetry Applications
    Ahmad, Sarosh
    Khabba, Asma
    Ghaffar, Adnan
    Li, Xue Jun
    CMC-COMPUTERS MATERIALS & CONTINUA, 2022, 73 (02): : 2457 - 2472
  • [48] Compact Circular Polarization Microstrip Antenna
    Kingsuwannaphong, Thoetphan
    Sittakul, Vitawat
    2016 INTERNATIONAL CONFERENCE ON COMMUNICATION AND SIGNAL PROCESSING (ICCSP), VOL. 1, 2016, : 862 - 865
  • [49] Compact Broadband Circularly Polarized Microstrip Antenna over Artificial Ground Structure
    Ma, Rongjie
    Wu, Qi
    Yin, Jiexi
    Yu, Chen
    Wang, Haiming
    Hong, Wei
    2018 IEEE INTERNATIONAL WORKSHOP ON ANTENNA TECHNOLOGY (IWAT), 2018,
  • [50] Compact Dual-Band, Dual-Circular Polarized Microstrip Antenna Array for K/Ka-Band Application
    Ha, Nohgyeom
    Kim, Gyoungdeuk
    Bae, Hyun-Cheol
    Kim, Sangkil
    IEEE OPEN JOURNAL OF ANTENNAS AND PROPAGATION, 2025, 6 (02): : 372 - 382
12345