互耦相对论返波管等同锁相和功率放大的粒子模拟

石成才; 刘大刚; 蒙林

doi:doi:10.3788/hplpb20122401.0129

强激光与粒子束, 2012, 24 (1): 129, 网络出版: 2012-02-14

互耦相对论返波管等同锁相和功率放大的粒子模拟

Particle simulation of peer-to-peer locking and power amplification for mutually coupled relativistic BWOs

论文大纲

石成才 ^*刘大刚蒙林

作者单位

电子科技大学物理电子学院, 成都 610054

互耦相对论返波管等同锁相功率放大耦合槽 mutual coupling relativistic backward-wave oscillator peer-to-peer locking power amplification coupling slot

摘要

推导了两个互耦高功率微波振荡系统等同锁相后的锁定频率公式, 并利用粒子模拟软件对两个互耦相对论返波管进行了数值仿真实验。模拟时将相同结构的两个相对论返波管并排放置在一起, 在它们的慢波结构的第１个波谷处, 用一条饼状狭缝将它们并联起来, 分别输入不同的加速电压, 让它们工作于不同的状态。粒子模拟的结果表明：这两个并联的互耦相对论返波管之间进行了等同锁相, 它们的频率都被锁定在同一个特定的频率点上, 且其注波能量转换效率都提高了, 总输出功率比单独工作时的总功率增加了约10%, 同时耦合之后功率输出更平稳。

Abstract

The paper presents the particle simulation of peer-to-peer locking for mutually coupled relativistic backward-wave oscillators(BWOs). In the simulation, a pair of relativistic BWOs with identical physical structures are driven by different accelerating voltages, which will work at different states with different oscillatory frequencies and output powers. The results indicate that, the relativistic BWOs connected in parallel with a special coupling slot will lock phase mutually. Their oscillatory frequencies are locked to a common frequency, and their energy conversion efficiencies are improved with an increase in the total output power of no less than 10%. Both their output powers become more stable.

参考文献

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石成才, 刘大刚, 蒙林. 互耦相对论返波管等同锁相和功率放大的粒子模拟[J]. 强激光与粒子束, 2012, 24(1): 129. Shi Chengcai, Liu Dagang, Meng Lin. Particle simulation of peer-to-peer locking and power amplification for mutually coupled relativistic BWOs[J]. High Power Laser and Particle Beams, 2012, 24(1): 129.

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