Magnetostatic  Wave Propagation Characteristics  under Normal Nonuniform Bias Magnetic Field

Wu Baojian; Liu Gongqiang

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Magnetostatic Wave Propagation Characteristics under Normal Nonuniform Bias Magnetic Field

更新时间：2025-12-08

- Magnetostatic Wave Propagation Characteristics under Normal Nonuniform Bias Magnetic Field
- Acta Electronica Sinica Issue 9, Pages: 32-34(1999)
- 作者机构：
  
  上海交通大学应用物理系,上海,200030
- 作者简介：
- 基金信息：
- DOI：
  CLC： O441
- Published：1999
- 稿件说明：
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[1]武保剑,刘公强.垂直不均匀磁场中静磁波的传播特性[J].电子学报,1999(09):32-34.

Wu Baojian, Liu Gongqiang. Magnetostatic Wave Propagation Characteristics under Normal Nonuniform Bias Magnetic Field[J]. Acta Electronica Sinica, 1999, (9): 32-34.
[1]武保剑,刘公强.垂直不均匀磁场中静磁波的传播特性[J].电子学报,1999(09):32-34. DOI：

Wu Baojian, Liu Gongqiang. Magnetostatic Wave Propagation Characteristics under Normal Nonuniform Bias Magnetic Field[J]. Acta Electronica Sinica, 1999, (9): 32-34. DOI：

摘要

本文理论分析了垂直不均匀磁场作用下磁性薄膜中静磁波的传播特性，具体计算了抛物线分布的不均匀磁场对静磁对表镣波振幅的影响．计算表明，在适当分布的不均匀场作用下，与均匀磁场情形相比，波导中传播的静磁波振幅有所增加，从而也增强了静磁波与导波光相互作用时的衍射效应

Abstract

This paper theoretically analyzes the propagation characteristics of magnetostatic waves （MSWs） in magnetic film under normal nonuniform bias field.The dynamic magnetization of MSWs under the nonuniform field of parabolic profile is calculated in detail.Calculation results indicate that

under nonuniform bias field of appropriate profile

MSW amplitude can be increased by comparison with the case of uniform bias magnetic field

thereby

the diffraction effect of guided optical waves from the MSWs is also enhanced.

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