(英)基于中红外波段的等离子体金属孔天线
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南京师范大学物理科学与技术学院 江苏省光电重点实验室,南京师范大学物理科学与技术学院 江苏省光电重点实验室,南京师范大学物理科学与技术学院 江苏省光电重点实验室,南京师范大学

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国家教育部博士点基金


Plasmon antenna at mid-infrared made by metallic apertures
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Jiangsu Key Lab on Opto-Eelectronic Technology, School of Physical Science and Technology, Nanjing Normal University,Jiangsu Key Lab on Opto-Eelectronic Technology, School of Physical Science and Technology, Nanjing Normal University,Jiangsu Key Lab on Opto-Eelectronic Technology, School of Physical Science and Technology, Nanjing Normal University,Nanjing Normal University

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    摘要:

    研究了周期性金属孔阵列的光学和远场辐射特性,实验发现所有样品在中红外波段都有两个透射峰,当金属孔径或者孔阵的晶格常数变大时,透过峰的中心频率发生红移.在透过率的中心频率附近,周期性的金属孔阵列表现出偶极子阵列的特性,其远场辐射特性随着孔径的减小或者孔阵列晶格常数的增大而增强.

    Abstract:

    The transmission spectra and far-field radiation patterns of periodic metallic aperture arrays are studied in mid-infrared region. We find that the samples have two transmission bands in mid-infrared region. The central positions of transmission bands red-shifts with the increase of the hole-diameter or the lattice constant. The periodic metallic aperture arrays can behave as electrical dipole arrays at the central positions of the transmission bands. The radiation intensity in far-field is strong at the two frequencies. The intensity increase with the decrease of the hole diameter or the increase of the lattice constant.

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杨理,王斌,曹玲玲,叶永红.(英)基于中红外波段的等离子体金属孔天线[J].红外与毫米波学报,2014,33(4):344~348]. YANG Li, WANG Bin, CAO Ling-Ling, YE Yong-Hong. Plasmon antenna at mid-infrared made by metallic apertures[J]. J. Infrared Millim. Waves,2014,33(4):344~348.]

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  • 收稿日期:2013-04-24
  • 最后修改日期:2014-05-29
  • 录用日期:2013-11-20
  • 在线发布日期: 2014-09-02
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