摘要
左手材料具有负介电常数和负磁导率的电磁特性,铁氧体具有负磁导率的电磁特性。因此,铁氧体-左手结构可以设计成负介电常数材料,近年来成为备受关注的研究课题,主要应用于隔离器、滤波器和移相器,在微波系统中具有很大的应用前景。文中介绍了铁氧体-左手结构的基本理论和性能特点,并对其在微波领域中的应用进行了试探性的分析。
Left handed material （LHM） has the electromagnetism characteristics of negative permittivity and negative permeability simultaneously, ferrite essentially has a negative permeability. Therefore ferrite-LHM can be designed negative permittivity materi- al. Recently this research subject is well concerned, it is mainly applied in isolator, filter and phase shifters. It has widely appli- cation foreground in microwave systems. Basis theory and performance characteristics of ferrite-LHM are presented, and its appli- cation in microwave domain is discussed tentatively.
出处
《现代雷达》
CSCD
北大核心
2012年第4期56-58,共3页
Modern Radar
关键词
铁氧体
左手材料
微波
隔离器
滤波器
移相器
ferrite
left handed material
microwave
isolator
filter
phase shifter
