Experiment study of discharge characteristics and pumping efficiency of air bubble flash lamp

Yang Zefeng; Li Xingwen; Mo Yongpeng; Jia Shenli; Liu Jianjun; Li Haibing

doi:10.11884/HPLPB201527.092006

Volume 27 Issue 09

Sep. 2015

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(09): 092006

Liu Yuan, Wang Lijuan, Guo Nan, et al. Central buoyant MEMS vector hydrophone of low-frequency and high sensitivity[J]. High Power Laser and Particle Beams, 2015, 27: 054102. doi: 10.11884/HPLPB201527.054102

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Yang Zefeng, Li Xingwen, Mo Yongpeng, et al. Experiment study of discharge characteristics and pumping efficiency of air bubble flash lamp[J]. High Power Laser and Particle Beams, 2015, 27: 092006. doi: 10.11884/HPLPB201527.092006

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Experiment study of discharge characteristics and pumping efficiency of air bubble flash lamp

doi: 10.11884/HPLPB201527.092006

1.
State Key Laboratory of Electrical Insulation and Power Equipment,Xi’an Jiaotong University,Xi’an 710049,China;
2.
Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China

Received Date: 2015-05-06
Rev Recd Date: 2015-07-20
Publish Date: 2015-09-14

Abstract

Abstract

The improvement of the amplifier gain and amplifier efficiency is quite attractive in inertia confined fusion (ICF). As an important component of the amplifier, the flash lamp pumping efficiency directly affects the amplifier efficiency. In this paper, a new structure of flash lamp is designed and constructed, going for a higher pumping efficiency. Comparison between the new and the traditional structures are made, in terms of electrical characteristics, radiation and fluorescence behaviors of Nd:glass. Experimental results indicate that the resistance increases in the new structure, corresponding to a lower current and energy feeding. As a result, the intensities of radiation and fluorescence are improved by 3%～4% and 2%～3% respectively. The mechanisms of the improvement, the evolution of the discharge plasma channel, and the scheme of further optimization for the new structure are discussed.
- air bubble flash lamp,
- current areal density,
- energy,
- radiation,
- fluorescence

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