高功率跨波段相对论速调管放大器模拟设计 |
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引用本文: | 雷禄容,黄华,何琥,刘振帮,袁欢,黄吉金. 高功率跨波段相对论速调管放大器模拟设计[J]. 强激光与粒子束, 2016, 28(3): 033018. DOI: 10.11884/HPLPB201628.033018 |
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作者姓名: | 雷禄容 黄华 何琥 刘振帮 袁欢 黄吉金 |
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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, 高功率微波技术重点实验室, 四川 绵阳 621 900 |
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摘 要: | 设计了一种能在S波段和C波段实现稳定输出的高功率相对论速调管放大器,并使用电磁粒子PIC程序进行了模拟研究。模拟结果表明:采用700 kV,4 kA的电子束,在注入微波功率340 kW、注入微波频率分别为2.8 GHz和3.2 GHz的条件下,通过合理选择输入腔和中间腔的结构和工作模式、调节器件输出腔的腔长,模拟实现了S波段(3.2 GHz)和C波段(5.6 GHz)分别为1 GW和490 MW的微波输出,束波转换效率分别约为35%和17%。
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关 键 词: | 相对论速调管放大器 可调谐 高功率 跨波段 |
收稿时间: | 2015-07-22 |
Design of high power span-band relativistic klystron amplifier |
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Affiliation: | 1.Science and Technology on High Power Microwave Laboratory,Institute of Applied Electronics,CAEP,P.O.Box 919-1015,Mianyang 621900,China |
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Abstract: | With the electromagnetic code, a frequency-tuned relativistic klystron amplifier (RKA) is designed and calculated. It is found that the operation frequency of the RKA can jump across S-band and C-band by adjusting the feeding frequency and the length of the output cavity. A 1 GW averaged power over the oscillator period is generated by simulation, with 700 kV electron beam voltage, 4 kA current, and 340 kW feeding power. The frequency of the output microwave is 3.2 GHz. The efficiency is about 35%. Meanwhile, a C-band microwave with a frequency of 5.6 GHz and a power level of above 490 MW is generated when the feeding frequency is 2.8 GHz and the output cavity length is 3.7 cm. The efficiency is about 17%. |
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