摘要
使用表面磁导率法得到斜向磁化金属/电介质/钇铁石榴石(YIG)/钆镓石榴石(GGG)/金属多层电介质结构中静磁波的传播方程。通过分析静磁正向体波(MSFVW)和静磁反向体波(MSBVW)延迟特性设计出级联MSFVW-MSBVW延迟线系统,该系统通过调节MSBVW延迟线激发场角起到控制非色散延迟时间的作用。数值计算得到一个近500MHz的非色散延迟带宽,延迟时间具有156.4～186.6ns/cm的可调范围。
The magnetostatic wave propagation equation in an obliquely magnetized metal/dielectric/yttrium-iron-garnet（ YIG）/gadolinium-gallium-garnet（ GGG）/metal waveguide is obtained by use of the method of surface magnetic permeability. The particular device, which consists of a cascade connection of magnetostatic forward volume wave （MSFVW） and magnetostatic backward volume wave（MSBVW） delay lines, is designed for the tunable non-dispersive delay by adjusting the excitation direction of the MSBVW. And a 500MHz non-dispersive bandwidth with a delay range of 156.4 to 186.6 ns/cm can be achieved under the optimum structure of the multilayer dielectric waveguide.
出处
《微波学报》
CSCD
北大核心
2009年第1期71-74,共4页
Journal of Microwaves
基金
国家自然科学基金(60671027)
