Open AccessReflectarray with EBG elements for improved radiation characteristics
Author(s) -
Yoon Ji Hwan,
Kim Eunyoung,
Yoon Young Joong,
Lee Woosang,
So Joonho
Publication year - 2013
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
ISSN - 1350-911X
DOI - 10.1049/el.2013.1115
Subject(s) - radiation , metamaterial , reflection (computer programming) , optics , photonic crystal , materials science , photonic bandgap , optoelectronics , phase (matter) , band gap , plane (geometry) , electromagnetic radiation , physics , computer science , mathematics , geometry , quantum mechanics , programming language
A reflectarray composed of elements with electromagnetic bandgap (EBG) characteristics to improve radiation performances is proposed. The EBG elements are composed of patches and multiple via‐holes to provide required reflection phase and bandgap characteristics at target frequency of 10 GHz. Compared with a normal patch reflectarray without EBG elements, the gain is improved by 1.4 dB, and the SLLs are suppressed by 1.5 dB ( E ‐plane) and 5.3 dB ( H ‐plane), respectively.