Experiment study of structure parameters influence on annular flash lamp radiation efficiency

Yang Zefeng; Liu Guanyu; Li Xingwen; Jia Shenli; Liu Jianjun; Li Haibing; Sui Zhan

doi:10.11884/HPLPB201830.170263

Volume 30 Issue 2

Feb. 2018

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Yang Zefeng, Liu Guanyu, Li Xingwen, et al. Experiment study of structure parameters influence on annular flash lamp radiation efficiency[J]. High Power Laser and Particle Beams, 2018, 30: 022001. doi: 10.11884/HPLPB201830.170263

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Yang Zefeng, Liu Guanyu, Li Xingwen, et al. Experiment study of structure parameters influence on annular flash lamp radiation efficiency[J]. High Power Laser and Particle Beams, 2018, 30: 022001. doi: 10.11884/HPLPB201830.170263

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Experiment study of structure parameters influence on annular flash lamp radiation efficiency

doi: 10.11884/HPLPB201830.170263

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
3.
Shanghai Institute of Laser Plasma, CAEP, Shanghai 201800, China

Received Date: 2017-06-27
Rev Recd Date: 2017-10-09
Publish Date: 2018-02-15

Abstract

Abstract

As an important component of the amplifier, the flash lamp pumping efficiency directly affects the amplifier efficiency. Compared with the traditional flash lamp, the new structure flash lamp with a vacuum bubble inside (annular flash lamp) is proved having the advantage of higher radiation efficiency. This paper studies the influences of different pressures and structures on the annular flash lamps' discharge, radiation and explosion characteristics. Results indicate that increasing the pressure and internal diameter of annular flash lamp can improve the radiation efficiency. The fluorescence from the neodymium glass can be improved by 22.3% of peak value and 15.7% of integral value. However, increasing the pressure and internal diameter will deduce the thermal load limit. It is experimentally demonstrated that the annular flash lamp with 26 664 Pa and internal diameter 30 mm has the highest radiation efficiency and can pass lifetime test.
- annular flash lamp,
- pressure,
- internal diameter,
- radiation efficiency,
- explosion characteristic

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References(19)

References

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