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

Wang Langning; Jia Yongsheng; Liu Jinliang

doi:10.1016/j.mre.2017.12.006

Volume 3 Issue 5

Sep. 2018

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Wang Langning, Jia Yongsheng, Liu Jinliang. Photoconductive semiconductor switch-based triggering with 1 ns jitter for trigatron[J]. Matter and Radiation at Extremes, 2018, 3(5). doi: 10.1016/j.mre.2017.12.006

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Wang Langning, Jia Yongsheng, Liu Jinliang. Photoconductive semiconductor switch-based triggering with 1 ns jitter for trigatron[J]. Matter and Radiation at Extremes, 2018, 3(5). doi: 10.1016/j.mre.2017.12.006

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

doi: 10.1016/j.mre.2017.12.006

1.
aTaiyuan Satellite Launch Center, Kelan 036300, China
2.
bCollege of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China

More Information

Corresponding author: *Corresponding author. E-mail address: wanglangning@126.com (L. Wang).
Received Date: 2017-07-24
Accepted Date: 2017-12-18
Publish Date: 2018-09-15

Abstract

Abstract

AbstractSynchronization 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 diode-triggered 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 20–35 kV range with 10 ns rise time and 1 ns delay-time jitter.
- Pulsed power,
- High power switches,
- Synchronization,
- Trigger generator,
- Photoconductive semiconductor switch

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References(26)

References

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