| 高次谐波太赫兹回旋管的多模工作研究 |
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| 引用本文： | 袁学松,鄢扬,傅文杰,刘頔威.高次谐波太赫兹回旋管的多模工作研究[J].红外与毫米波学报,2012,31(4):342-347. |
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| 作者姓名： | 袁学松 鄢扬 傅文杰 刘頔威 |
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| 作者单位： | 电子科技大学太赫兹科学技术研究中心,四川成都,610054 |
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| 基金项目： | 国家自然科学基金(61101041,60877058)；中央高校基本科研业务费专项资金(ZYGX2009J048)； |
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| 摘 要： | 为了发展大功率、实用性强的太赫兹辐射源,文中对太赫兹回旋管中多个二次谐波工作模式的注波互作用进行了理论和实验研究,分析不同参数下多个二次谐波工作模式单模振荡的条件.实验研究结果表明,在二次谐波工作状态下,通过调节工作磁场、电流等参数,在单管中实现了四个不同频率0.391、0.404、0.416、0.423 THz,千瓦级以上输出功率的太赫兹波辐射.
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| 关 键 词： | 回旋管 太赫兹 高次谐波 模式竞争 |
| 收稿时间： | 9/21/2011 4:42:51 PM |
| 修稿时间： | 3/6/2012 1:22:41 PM |
Multi-mode high harmonic operation in a terahertz gyrotron |
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| YUAN Xue-Song,YAN Yang,Fu Wen-Jie and LIU Di-Wei.Multi-mode high harmonic operation in a terahertz gyrotron[J].Journal of Infrared and Millimeter Waves,2012,31(4):342-347. |
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| Authors: | YUAN Xue-Song YAN Yang Fu Wen-Jie and LIU Di-Wei |
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| Affiliation: | Terahertz S and T Research Center, University of Electronic Science and Technology of China,Terahertz S and T Research Center, University of Electronic Science and Technology of China,Terahertz S and T Research Center, University of Electronic Science and Technology of China and Terahertz S and T Research Center, University of Electronic Science and Technology of China |
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| Abstract: | In order to develop compact, reliable and high power terahertz radiation sources, multi-mode second-harmonic operation in a terahertz gyrotron is theoretically and experimentally investigated in this paper. The theoretical calculation results show that there are five second-harmonic modes which operate at single-mode oscillation state in the gyrotron by adjusting the design parameters. Experimental results demonstrate there are four second-harmonic modes (TE16, TE64, TE46 and TE26 ) in the gyrotron operating with a 1.5A/41kV electron beam. Output powers of 1.5, 2.1, 3.0 and 1.4kW can be generated and corresponding frequencies are 0.391THz, 0.404THz, 0.416THz and 0.423THz, respectively. |
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| Keywords: | Gyrotron Terahertz High-harmonic Mode competition |
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