0.22 THz折叠波导行波管初步实验研究 |
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引用本文: | 徐翱,周泉丰,阎磊,陈洪斌.0.22 THz折叠波导行波管初步实验研究[J].强激光与粒子束,2013,25(11):2954-2958. |
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作者姓名: | 徐翱 周泉丰 阎磊 陈洪斌 |
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作者单位: | 1.中国工程物理研究院 应用电子学研究所, 四川 绵阳 621 900; |
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摘 要: | 探索性试验了多种微加工技术加工设计频率0.22 THz的折叠波导慢波结构,最终选择了微铣削工艺进行加工,并测试了微铣削工艺加工的WR4标准直波导的损耗特性,得到了0.22 THz电磁波在无氧铜中传播时材料的相对电导率约为3.2107 S/m。以此为基础设计和制得了国内第一支0.22 THz折叠波导行波管,经过测试和标定得到输出功率大于100 mW,带宽3.5 GHz的初步实验结果。
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关 键 词: | 太赫兹 折叠波导行波管 输出功率 |
收稿时间: | 2013-05-14 |
Initial experimental study on 0.22 THz folded waveguide TWT |
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Institution: | 1.Institute of Applied Electronics,China Academy of Engineering Physics,Mianyang 621900,China;2.Terahertz Research Center,China Academy of Engineering Physics,Mianyang 621900,China |
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Abstract: | Several micro-machinings were used to manufacture 0.22 THz folded waveguide slow wave structure. In with these micro-machinings, micro-milling was most suitable for manufacturing 0.22 THz folded waveguide slow wave structure now. And the loss of WR4 waveguide manufactured by micro-milling was tested. The relative conductivity of 3.2107 S/m was obtained when electromagnetic wave of 0.22 THz propagated in oxygen-free copper waveguide. Finally, a 0.22 THz folded waveguide TWT was developed and experimented with output power greater than 100 mW and 3 dB bandwidth of 3.5 GHz. |
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