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Dependence of emission of terahertz radiation on geometrical parameters of dipole photoconductive antennas

机译：太赫兹辐射的发射对偶极光电导天线几何参数的依赖性

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摘要

The dependence of the emission spectrum of terahertz (THz) radiation on the geometrical parameters of the dipole antenna, and the relationship between these parameters and the temporal characteristics of the transient current that generate THz radiation, is reported. The emission intensity and the peak frequency strongly depend on these geometrical parameters. This dependence varies significantly with changes in the temporal characteristics of the transient current. We have also found that the emission efficiency can be increased by increasing the aspect ratio for the dipole.
机译：报告了太赫兹（THz）辐射的发射光谱与偶极天线的几何参数的相关性，以及这些参数与产生THz辐射的瞬态电流的时间特性之间的关系。发射强度和峰值频率在很大程度上取决于这些几何参数。这种依赖性随瞬态电流的时间特性的变化而显着变化。我们还发现，通过增加偶极子的纵横比可以提高发射效率。

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  • 来源
    《Applied Physicsletters》 |2010年第21期|P.211104.1-211104.3|共3页
  • 作者

    Fumiaki Miyamaru; Yu Saito; Kohji Yamamoto; Takashi Furuya; Seizi Nishizawa; Masahiko Tani;

  • 作者单位

    Department of Physics, Faculty of Science, Shinshu University, Asahi 3-1-1, Matsumoto, Nagano 390-8621, Japan PRESTO, Japan Science and Technology Agency, 2-1-1 Katahira, Aobaku-ku, Sendai 980-8577, Japan;

    rnDepartment of Physics, Faculty of Science, Shinshu University, Asahi 3-1-1, Matsumoto, Nagano 390-8621, Japan Division of Environmental Science Development, Graduate School of Environmental Science, Hokkaido University, Nishi 5, Kita hachi-jyo, Kita-ku, Sapporo 060-0808, Japan;

    rnResearch Center for Development of Far-Infrared Region, University of Fukui, Bunkyo 3-9-1, Fukui 910-8507, Japan;

    rnResearch Center for Development of Far-Infrared Region, University of Fukui, Bunkyo 3-9-1, Fukui 910-8507, Japan;

    rnDepartment of Physics, Faculty of Science, Shinshu University, Asahi 3-1-1, Matsumoto, Nagano 390-8621, Japan Advanced Infrared Spectroscopy Co., Ltd., 3-17-16, Sennin, Hachioji, Tokyo 193-0835, Japan;

    rnResearch Center for Development of Far-Infrared Region, University of Fukui, Bunkyo 3-9-1, Fukui 910-8507, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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