2023年 04期

变容二极管串联制备宽带可调谐磁性吸波超材料

Preparation of Broadband Tunable Magnetic Absorbing Metamaterials by Varactors in Series


摘要(Abstract):

为了扩展可调谐超材料吸波器的工作带宽,提出一种将变容二极管串联后制备宽带可调谐磁性吸波超材料的方法;根据等效电路理论分析可调谐吸波超材料的工作机理,通过变容二极管的串联增加超材料的低频可调谐带宽,并与磁性吸波材料进行复合,拓展超材料的高频吸波性能。结果表明,制得的复合超材料在频率为0.8~1.5 GHz时具有连续可调谐的吸收峰,同时在频率为2~18 GHz时实现了宽带吸收。

关键词(KeyWords): 超材料;磁性吸波材料;宽带可调谐;等效电路

基金项目(Foundation): 国家自然科学基金项目(52071239)

作者(Author): 姚骏驰,李维

DOI: 10.13349/j.cnki.jdxbn.20230517.001

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