Title :
A thin wideband absorber with uniform response in X-band
Author :
Sohrab, Abed Pour ; Atlasbaf, Zahra
Author_Institution :
Electr. & Comput. Eng. Dept., Tarbiat Modares Univ., Tehran, Iran
Abstract :
A nonmagnetic thin wideband absorber in X-band is proposed. It is shown that by placing all the resistors and inductors in one layer and creating a multiple-resonance frequency selective surface (FSS) structure, a three resonance absorber can be established. This method leads to reduction of the total number of layers and subsequently lowered mutual coupling effect. The Design is performed only on two low-permittivity dielectric layers with an air distance between them. Reflection coefficient of the absorber is below -20 dB in the whole X-band, and the total thickness is λ/10 (3 mm).
Keywords :
electromagnetic wave absorption; electromagnetic wave reflection; frequency selective surfaces; inductors; microwave materials; permittivity; resistors; X-band; air distance; inductors; low-permittivity dielectric layers; multiple-resonance FSS structure; multiple-resonance frequency selective surface structure; mutual coupling effect; nonmagnetic thin-wideband absorber; reflection coefficient; resistors; resonance absorber; Couplings; Impedance; Lead; Resonant frequency; capacitive circuit absorber; circuit analog absorber; frequency selective surface; mutual coupling; periodic pattern;
Conference_Titel :
Antenna Technology and Applied Electromagnetics (ANTEM), 2012 15th International Symposium on
Conference_Location :
Toulouse
Print_ISBN :
978-1-4673-0290-6
DOI :
10.1109/ANTEM.2012.6262368
