同轴慢波结构相对论高功率微波产生器初步实验研究
Preliminary experimental research on relativistic high power microwave generator with coaxial slow wave structure
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摘要: 对一种同轴慢波结构相对论高功率微波产生器进行了初步的实验研究。利用数值模拟优化得到的结构，建立了实验装置。初步实验结果表明：该种器件具有微波产生效率高的优点，在实验系统并没有达到优化状态的情况下得到的微波转换效率达28%，峰值功率约为1.3 GW。微波频率基本不随二极管电压变化，约为7.7 GHz，这与文献中数值模拟给出的结果一致。Abstract: In this paper, a relativistic high power microwave generator with coaxial slow wave structure was experimentally researched. The experimental system was set up based on the structure optimized by numerical simulation. Preliminary results show that the generator has the advantage of high beam-wave conversion efficiency. Although the experimental system was not yet in a state of optimization, a microwave pulse with peak power of 1.3 GW and efficiency of 28% was generated. The microwave frequency is about 7.7 GHz and varies very slowly with diode voltage, which is consistent with the results of numerical simulation.
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Key words:
- high power microwave /
- coaxial slow wave structure /
- numerical simulation /
- efficiency
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