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Ground‐embedded dual‐slot perturbation for switchable circularly polarized microstrip antenna
Author(s) -
Kim Jongmyun,
Kim Nam,
Pyo Seongmin
Publication year - 2014
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.28630
Subject(s) - circular polarization , microstrip antenna , diagonal , optics , turnstile antenna , slot antenna , patch antenna , microwave , microstrip , helical antenna , pin diode , perturbation (astronomy) , physics , multi band device , polarization (electrochemistry) , ground plane , diode , electrical engineering , engineering , optoelectronics , antenna (radio) , telecommunications , geometry , mathematics , chemistry , quantum mechanics
This article reports a new ground‐embedded dual‐slot perturbation for a reconfigurable circularly polarized microstrip antenna. The perturbation consists of the small inner and the large outer slots with two PIN diodes in one diagonal corner for generating and alternating right‐/left‐handed circular polarization, respectively. The measured results of the implemented antenna which used the ground‐embedded dual slot show an agreement with the simulation and successfully demonstrate circularly‐polarized radiations with good controllability. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:2537–2539, 2014