材料科学
铁氧体(磁铁)
光学
电介质
天线罩
钇铁石榴石
透射率
磁场
计算物理学
凝聚态物理
物理
天线(收音机)
光电子学
复合材料
电信
量子力学
计算机科学
作者
Tian‐Qi Zhu,You‐Ming Liu,Jia‐Tao Zhang,Haifeng Zhang
标识
DOI:10.1002/andp.202200370
摘要
Abstract Based on a spherical coordinate system and Maxwell's set of equations, the calculation formulas of one‐dimensional (1‐D) magnetized ferrite spherical photonic crystals (MFSPCs) are obtained and treated with the solution method of the spherical Bessel equations. Combined with the conventional transmission matrix method, expressions for the absorptance, reflectance, and transmittance of the 1‐D MFSPCs are given. 1‐D MFSPCs consisting of the general dielectric and Yttrium iron garnet (YIG) are also designed to verify the correctness of the conclusions. Variables such as external magnetic field, incidence angle, initial radius, and YIG thickness effects on the features of such 1‐D MFSPCs are also discussed. The transformation of the external magnetic field has a linear relationship with the position of the absorption band (AB). The three variables of incidence angle, initial radius, and YIG thickness have a substantial influence on the width and position of the AB, which can be adjusted according to the actual demand and are of high application significance. The results of this study can be helpful for the design of multifunctional absorbers and radome.
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