Manipulating Evanescent Waves in a Gradient Waveguide
Manipulating Evanescent Waves in a Gradient Waveguide
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操纵梯度波导中的倏逝波
DOI:
10.1103/physrevapplied.13.064049
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发表时间:
2020-06
影响因子:
4.6
通讯作者:
Huanyang Chen
中科院分区:
文献类型:
--
作者:
Yali Zeng;Hao Feng;Wen Xiao;Yadong Xu;Bo Hou;Qiaoliang Bao;Longfang Ye;Huanyang Chen
Manipulation of evanescent waves in a waveguide with gradient-index metamaterials is analyzed. It is shown that evanescent waves excited by a cutoff waveguide can be efficiently transmitted over a long distance by a mode-conversion mechanism. The experimental results are in good agreement with simulated results, and the manipulation is of broadband frequencies. The results suggest potential applications in subwavelength microwave transmission.
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