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Photoconductive semiconductor switch-based triggering with 1 ns jitter for trigatron

Photoconductive semiconductor switch-based triggering with 1 ns jitter for trigatron

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Abstract

Synchronization for multiple-pulse at nanosecond range shows a great value on the power multiplication and synchronous electric fields applications. Nanosecond or sub-ns jitter synchronization is essential for the improved working efficiency of the large amounts of pulse modules and accurate requirements for the power coherent combining applications. This paper presents a trigger generator based on a laser diodetriggered GaAs photoconductive semiconductor switch (PCSS) with low jitter and compact size characteristics. It avoids the high currents that are harmful to high-gain mode PCSSs. In the trigger circuit, a 200 pF capacitor is charged by a microsecond-scale 18 kV pulse and then discharged via the high-gain mode GaAs PCSS to trigger the high-power trigatron switch. When triggered by the ~10 ns pulse generated by the PCSS, the DC-charged trigatron can operate in the 20e35 kV range with 10 ns rise time and 1 ns delay-time jitter.

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基金项目:This work was supported by the National Science Foundation of China under grant No. 51477177.

收稿日期:2017-06-24

修改稿日期:2017-11-22

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作者单位    点击查看

Langning Wang:Taiyuan Satellite Launch Center, Kelan 036300, China
:Taiyuan Satellite Launch Center, Kelan 036300, China
Yongsheng Jia:College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
Jinliang Liu

联系人作者:Langning Wang(wanglangning@126.com)

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引用该论文

Langning Wang,,Yongsheng Jia,Jinliang Liu. Photoconductive semiconductor switch-based triggering with 1 ns jitter for trigatron[J]. Matter and Radiation at Extremes, 2018, 3(5): 256-260

Langning Wang,,Yongsheng Jia,Jinliang Liu. Photoconductive semiconductor switch-based triggering with 1 ns jitter for trigatron[J]. Matter and Radiation at Extremes, 2018, 3(5): 256-260

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