中国物理B ›› 2009, Vol. 18 ›› Issue (5): 1801-1806.doi: 10.1088/1674-1056/18/5/014

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Terahertz radiation from armchair carbon nanotube dipole antenna

贺训军1, 庄蕾蕾1, 吴群2, 张少卿2, 王玥3   

  1. (1)Department of Electrical Science and Technology, Harbin University of Science and Technology, Harbin 150080, China; (2)School of Electronics and Information Technology, Harbin Institute of Technology, Harbin 150001, China; (3)School of Electronics and Information Technology, Harbin Institute of Technology, Harbin 150001, China;Department of Electrical Science and Technology, Harbin University of Science and Technology, Harbin 150080, China
  • 收稿日期:2008-10-08 修回日期:2008-11-06 出版日期:2009-05-20 发布日期:2009-05-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 60571026) and the Science and Technology Research Foundation of Heilongjiang Education Bureau of China (Grant No 11531055).

Terahertz radiation from armchair carbon nanotube dipole antenna

Wang Yue(王玥)a)b), Wu Qun(吴群)a)† , He Xun-Jun(贺训军)b), Zhang Shao-Qing(张少卿)a), and Zhuang Lei-Lei(庄蕾蕾)b)   

  1. a School of Electronics and Information Technology, Harbin Institute of Technology, Harbin 150001, China; b Department of Electrical Science and Technology, Harbin University of Science and Technology, Harbin 150080, China
  • Received:2008-10-08 Revised:2008-11-06 Online:2009-05-20 Published:2009-05-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 60571026) and the Science and Technology Research Foundation of Heilongjiang Education Bureau of China (Grant No 11531055).

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摘要： This paper investigates the electromagnetic radiation characteristics of a metallic, large aspect ratio single walled carbon nanotube antenna in the terahertz frequency region below 12.5 THz. The key features of terahertz pulse have been revealed on the carbon nanotube antenna in comparison with conventional photoconductive switching. The terahertz waveforms, radiation power and their field distributions have been evaluated and are analysed. The Fourier transformed spectra over the whole frequency range demonstrate that the carbon nanotube antenna can be used as radiation source for broadband terahertz applications.

关键词: terahertz, carbon nanotube, antenna

Abstract: This paper investigates the electromagnetic radiation characteristics of a metallic, large aspect ratio single walled carbon nanotube antenna in the terahertz frequency region below 12.5 THz. The key features of terahertz pulse have been revealed on the carbon nanotube antenna in comparison with conventional photoconductive switching. The terahertz waveforms, radiation power and their field distributions have been evaluated and are analysed. The Fourier transformed spectra over the whole frequency range demonstrate that the carbon nanotube antenna can be used as radiation source for broadband terahertz applications.

Key words: terahertz, carbon nanotube, antenna

中图分类号:  (Nanotubes)

  • 78.67.Ch
78.70.Gq (Microwave and radio-frequency interactions) 85.60.-q (Optoelectronic devices) 84.40.Ba (Antennas: theory, components and accessories)