零折射率材料平板的透射特性研究
收稿日期: 2018-04-27
修回日期: 2018-10-30
网络出版日期: 2019-06-10
基金资助
国家自然科学基金( 11504336) ; 中央高校基本科研业务费项目; 中国地质大学( 北京) 大学生创新实践项目资助
Optical transmission properties of a zero index material plate
Received date: 2018-04-27
Revised date: 2018-10-30
Online published: 2019-06-10
介到物理课堂.本文从经典电动力学出发，理论分析并数值模拟了零折射率材料内部电场、磁场的分布特性，以及零折射率
材料平板的电磁透射特性.结果表明: 对于双零折射率材料的平板，在与空气阻抗匹配的条件下，其透过率不随平板厚度的
变化而变化，大小始终保持为1; 而单零折射率材料的平板的透过率随着平板厚度的增加而减小.文章进一步分析了产生这
两种特殊透射特性的原因.研究结果对于理解零折射率材料的特性以及设计零折射率材料的功能器件有很好的指导意义
和参考价值.
高华, 魏果果, 刘美晴, 郭晓彤, 王艺璇, 张强 . 零折射率材料平板的透射特性研究[J]. 大学物理, 2019 , 38(5) : 15 . DOI: 10.16854 /j.cnki.1000-0712.180256
It has unique properties and wide applications，as a result，it is not only active in the frontiers of scientific research
and also worth being recommended to physics classes. In this paper，the electromagnetic properties inside the ZIMs
and the transmission characteristics of a ZIM plate are theoretically analyzed by using the classical electrodynamics
and numerically simulated by using a commercial software. The results show that，as a double ZIM plate， if the
impedance is matched with that of the free space， its transmittance is independent of the thickness of the plate，the
value is always maintained at 1; while for a single ZIM plate， its transmittance decreases with the increase of the
thickness. The reasons for these two special transmission characteristics are further analyzed. These results have a
guiding significance and reference value for understanding the characteristics of the ZIMs and designing the
functional devices using the ZIMs.
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