| 低反射低吸收高平均功率输出窗的设计 |
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| 引用本文： | 罗勇,李宏福,徐勇,邓学,赵青.低反射低吸收高平均功率输出窗的设计[J].强激光与粒子束,2004,16(11):1425-1428. |
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| 作者姓名： | 罗勇 李宏福 徐勇 邓学 赵青 |
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| 作者单位： | 电子科技大学 高能电子学研究所， 四川 成都 610054 |
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| 基金项目： | 国家863计划项目资助课题 |
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| 摘 要： | 对高平均功率微波、毫米波输出窗的反射和吸收功率进行了理论分析，以蓝宝石输出窗为例，给出了低反射、低吸收的高平均功率回旋速调管放大器输出窗的设计方案。该放大器输出窗厚度为1.35mm，半径为9mm，工作频率为34GHz，在加工误差小于2%的情况下，输出窗反射率小于1%，当平均输出功率为10kW时窗片的吸收功率为2.5W。
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| 关 键 词： | 输出窗 反射 吸收 回旋速调管放大器 高功率毫米波 |
| 文章编号： | 1001-4322(2004)11-1425-04 |
| 收稿时间： | 2003/12/5 |
| 修稿时间： | 2003年12月5日 |
RF windows of low reflectivity and absorption for high average power gyroklystrons |
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| LUO Yong,LI Hong-fu,XU Yong,DENG Xue,ZHAO Qing.RF windows of low reflectivity and absorption for high average power gyroklystrons[J].High Power Laser and Particle Beams,2004,16(11):1425-1428. |
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| Authors: | LUO Yong LI Hong-fu XU Yong DENG Xue ZHAO Qing |
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| Affiliation: | Institute of High Energy Electronics,University of Electronic Science and Technology of China,Chengdu-610054，China |
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| Abstract: | The major subjects of RF window design for high average power gyroklystron amplifiers are to reduce the reflectivity and absorption power in order to enhance amplifier's stability and protect output window. In this paper, the window's reflection and absorption are analyzed in detail. As an example, a sapphire window of 9mm in diameter and 1.351mm in thickness for 10kW, 34GHz, TE_(01) gyroklystron amplifier is presented. Its reflectivity is less than 1% if process error is within 2%, and its absorbing power is about 2.5W while the output average power is 10kW. As the window's reflectivity is sensitive to its thickness error, the thickness must be strictly controlled in processing. |
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| Keywords: | Output window Reflectivity Absorption Gyroklystron amplifier High power microwave |
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