Operation stability of repetitive pulse surface-discharge optical pumping source under gas-flow condition

Huang CHao; Liu Jingru; Yu Li; An Xiaoxia; Ma Lianying; Yi Aiping

Volume 24 Issue 01

Jun. 2016

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(01): 29-33

tan zhixin, lan xiaofei, lu jianxin, et al. Enhancement of accelerated proton yield in intense laser irradiating double-layer targets[J]. High Power Laser and Particle Beams, 2011, 23.

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Huang CHao, Liu Jingru, Yu Li, et al. Operation stability of repetitive pulse surface-discharge optical pumping source under gas-flow condition[J]. High Power Laser and Particle Beams, 2012, 24: 29-33.

tan zhixin, lan xiaofei, lu jianxin, et al. Enhancement of accelerated proton yield in intense laser irradiating double-layer targets[J]. High Power Laser and Particle Beams, 2011, 23.

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Operation stability of repetitive pulse surface-discharge optical pumping source under gas-flow condition

1.
State Key Laboratory of Laser Interaction with Matter,Northwest Institute of Nuclear Technology,Xi’an 710024,China

Publish Date: 2012-01-15

Abstract

Abstract

An optical pumping source by segmented surface discharge on Al2O3 ceramic substrate is developed to realize stable operation of XeF(C-A) laser with pulse repetition mode. The discharge jitter and the deviation of radiation intensity are investigated under gas-flow condition. Photographs of discharge plasma are obtained by high-speed camera, and the stability of discharge plasma is investigated. The experimental results show that the discharge jitter and stability of discharge plasma mainly depend on charging voltage and gas-flow rate, but less depend on pulse repetition rate in the range of 1 to 5 Hz. The deviation of radiation intensity correlates with charging voltage mainly and is hardly unaffected by pulse repetition rate and gas-flow rate. When the charging voltage is added to 26.8 kV, the stable discharge with discharge jitter less than 45 ns, the deviation of radiation intensity below 2%, and spatially stable discharge plasma can be obtained.
- lasers,
- optical pumping source,
- surface discharge,
- pulse repetition rate

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