| 0.14THz折叠波导慢波结构的损耗特性 |
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| 引用本文： | 王亚军,徐翱,颜胜美,向伟.0.14THz折叠波导慢波结构的损耗特性[J].强激光与粒子束,2015,27(1):013102. |
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| 作者姓名： | 王亚军 徐翱 颜胜美 向伟 |
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| 作者单位： | 1.中国工程物理研究院 电子工程研究所, 四川 绵阳 621 900; |
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| 基金项目： | 中国工程物理研究院超精密加工技术重点实验室项目(2012CJMZZ00007) |
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| 摘 要： | 分析了两种常用来计算等效电导率的理论公式,并加工了折叠波导慢波结构进行冷测实验验证。在粗糙度为0.3μm时,0.14THz电磁波在无氧铜中传播的等效电导率约为4×107 S/m,这与已有理论公式的计算结果并不一致。最后初步讨论了这种不一致产生的原因,并提出了修正相关理论公式的想法。
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| 关 键 词： | 折叠波导 高频损耗 表面粗糙度 太赫兹 |
| 收稿时间： | 2014/6/27 |
Experiment on loss characteristics for 0.14 THz folded waveguide slow-wave structure |
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| Wang Yajun
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Xu Ao
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Yan Shengmei
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Xiang Wei.Experiment on loss characteristics for 0.14 THz folded waveguide slow-wave structure[J].High Power Laser and Particle Beams,2015,27(1):013102. |
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| Authors: | Wang Yajun Xu Ao Yan Shengmei Xiang Wei |
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| Institution: | 1.Institute of Electronic Engineering,CAEP,P.O.Box 919-918,Mianyang 621900,China;2.Terahertz Research Center,CAEP,P.O.Box 919-918,Mianyang 621900,China |
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| Abstract: | The most commonly used method was adopted to calculate the conductivity loss. This paper analyzed two kinds of theory formula to calculate the effective conductivity, and fabricated the folded waveguide slow-wave structure for testing. The test result shows that the effective conductivity of 0.14 THz folded waveguide structure in oxygen free copper is 4107 S/m when the surface roughness is 0.3 m, which is not consistent with the theory calculation. Finally, the reason for this discrepancy was discussed, and a modified theoretical formula was put forward. |
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| Keywords: | folded waveguide high-frequency loss surface roughness terahertz |
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