Design of TE6,2 Denisov launcher in 3 mm gyrotron
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摘要: 提出了可应用于3 mm波段回旋管的TE6,2模式Denisov辐射器。以耦合波理论为基础,给出Denisov辐射器的设计方法。结合3 mm波段边廊模回旋管的具体参数,采用编制的数值计算程序,优化得到该模式 Denisov辐射器,辐射器全长52 mm。全电磁场仿真表明,该辐射器切割边缘电流幅值降为汇聚中心点的10%。由其组成的模式变换器,冷测结果好于Vlasov模式变换器。
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关键词:
- 回旋管 /
- 模式耦合理论 /
- TE6,2模 /
- Denisov辐射器
Abstract: A Denisov launcher for transforming TE6,2 mode to Gaussian-like mode is proposed to be employed in 3 mm Gyrotron. Based on the mode coupling theory, the design method of the Denisov launcher is shown. By adopting developed mathematical programme, the TE6,2 Denisov launcher is studied using the concrete parameters of the 3 mm whispering gallery mode gyrotron, with its length of 52 mm. It is verified by electromagnetic field simulation that, the launchers wall current of the cut edges decreases to 10% of the central focused current. The cold test result of Denisov mode converter is better than that of Vlasov mode converter.-
Key words:
- gyrotron /
- mode coupling theory /
- TE6,2 mode /
- Denisov launcher
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