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A low‐profile dual‐band shared‐aperture antenna based on artificial magnetic conductor with transparent elements
Author(s) -
Volkov Alexander P.,
Kakshin Vitalii V.,
Ryzhov Igor Yu.,
Kozlov Kirill V.,
Kurochkin Alexander P.,
Grinev Alexander Yu.
Publication year - 2020
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.32463
Subject(s) - antenna (radio) , monopole antenna , antenna factor , dipole antenna , multi band device , coaxial antenna , optics , antenna measurement , conductor , ground plane , optoelectronics , physics , materials science , electrical engineering , engineering , composite material
This article presents a dual‐band shared‐aperture antenna. The lower‐band antenna consists of two printed dipoles operated in a 1.6‐2.4 GHz frequency band. An artificial magnetic conductor (AMC) is used to reduce the lower‐band antenna profile. The higher‐band antenna consists of 4 × 2 aperture coupling patches operated in 5.3‐7.1 GHz frequency band and placed between the antenna ground plane and the AMC. The AMC elements act as a bandpass frequency‐selective surface for the higher‐band antenna. Simulated and measured results show that the proposed antenna has 40% and 29% impedance and 3‐dB gain bandwidths for the lower‐band and higher‐band antennas, respectively, and port isolation of less than −20 dB.

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