Oblique Incidence Performance of Microwave Absorbers Based on Magnetic Polymer Composites

Author

Linbo Zhang ; Haipeng Lu ; Peiheng Zhou ; Jianliang Xie ; Longjiang Deng

Author_Institution

State Key Lab. of Electron. Thin Film & Integrated Devices, Univ. of Electron. Sci. & Technol. of China, Chengdu, China

Volume

51

Issue

11

fYear

2015

Firstpage

1

Lastpage

4

Abstract

Oblique incidence properties of the reflection coefficient of a multi-layered (or single-layered) metal-backed magnetic absorber (MA) are analyzed in terms of the input impedance. Constant input impedance, almost independent of the incident angles and polarizations, is achievable for most MAs. Thus, the incidence angle restriction for a specified level of polarization-independent reflection in most MAs can be deduced. Preconditions of the law are also discussed. Experimental results confirm both the law and its application for absorption design.

Keywords

electromagnetic wave absorption; microwave materials; magnetic polymer composites; metal-backed magnetic absorber; microwave absorbers; oblique incidence; polarization-independent reflection; Absorption; Impedance; Magnetic domains; Magnetic resonance; Microwave theory and techniques; Permeability; Reflection coefficient; Impedance; Microwave absorber; impedance; magnetic; microwave absorber; oblique incidence; polarization;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2015.2439682

Filename

7115969