Triggering characteristics of trigatron gas switch triggered by preionization

Chen Weiqing; Zeng Zhengzhong; Xie Linshen; Guo Fan

doi:10.3788/HPLPB20122410.2507

Volume 24 Issue 10

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(10): 2507-2510

Zeng Shuguang, Zhang Bin, Sun Nianchun, et al. Chirp-matching OPCPA scheme for eliminating pre-pulse of ultrashort laser pulse[J]. High Power Laser and Particle Beams, 2012, 24: 394-398. doi: 10.3788/HPLPB20122402.0394

Citation:

Chen Weiqing, Zeng Zhengzhong, Xie Linshen, et al. Triggering characteristics of trigatron gas switch triggered by preionization[J]. High Power Laser and Particle Beams, 2012, 24: 2507-2510. doi: 10.3788/HPLPB20122410.2507

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Triggering characteristics of trigatron gas switch triggered by preionization

doi: 10.3788/HPLPB20122410.2507

1.
Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China

Received Date: 2011-10-12
Rev Recd Date: 2012-03-05
Publish Date: 2012-10-15

Abstract

Abstract

Using spark preionization, a trigatron gas switch is designed in the paper. The trigger electrode is disk-ring nested structure with 10 mm spacing, The electrode of switch is made from 304 stainless for operating voltage level up to 100 kV. Experimental results show that the preionization could reduce the trigger delay and jitter of the trigatron under low working voltage obviously. The earlier the preionization is imposed, the lower the delay and jitter of trigatron is under nanosecond trigger pulses. The average delay of 40 ns and jitter of 1 ns or better is achieved when the trigatron switch works at the coefficient of 80% with the trigger pulse of 30 kV and 8 ns risetime.
- preionization,
- trigatron,
- triggering characteristics,
- low jitter

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