Experimental verification of electromagnetic scattering via two-dimensional periodic array of small resonant apertures

IEICE Electronics Express

Ji-Hwan Ko¹  Junho Yeo³  Ki-Chai Kim⁴  Young-Ki Cho⁵ 

[1] Communication Engineering, Daegu University;Department of Electrical Engineering, Yeungnam University;School of Computer &School of Electronic Engineering, Kumoh National Institute of Technology;School of Electronics Engineering, Kyungpook National University

关键词: frequency selective surface;    small resonant aperture;    ridge;    band pass filter;    lower resonant frequency;   

DOI  :  10.1587/elex.14.20170796

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

The transmission characteristics of a frequency selective surface (FSS) consisting of small resonant circular apertures with a ridge are related to the transmission cross section of a single ridged aperture, and the performance is verified experimentally. The FSS structure with a ridged circular aperture has a lower resonant frequency, enlarged fractional bandwidth, and a larger wavelength-to-periodicity ratio compared to an FSS with a conventional circular aperture. Experiment results show that the resonant frequency of the proposed FSS structure can be lowered from 13.98 GHz to 7.30 GHz (47.8%) by adding the ridge.

【 授权许可】

CC BY