Research on repetitive rate of industrial X-ray diode

Ma Xun; Yuan Jianqiang; Liu Hongwei; Wang Lingyun; Jiang Ping

doi:10.11884/HPLPB201628.025007

Volume 28 Issue 02

Jan. 2016

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Article Navigation > High Power Laser and Particle Beams > 2016 > 28(02): 025007

Cai Jinchi, Hu Linlin, Ma Guowu, et al. Theoretical method for fast optimization of rectangular transition structure in folded waveguide devices[J]. High Power Laser and Particle Beams, 2015, 27: 053101. doi: 10.11884/HPLPB201527.053101

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Ma Xun, Yuan Jianqiang, Liu Hongwei, et al. Research on repetitive rate of industrial X-ray diode[J]. High Power Laser and Particle Beams, 2016, 28: 025007. doi: 10.11884/HPLPB201628.025007

Citation:

Ma Xun, Yuan Jianqiang, Liu Hongwei, et al. Research on repetitive rate of industrial X-ray diode[J]. High Power Laser and Particle Beams, 2016, 28: 025007. doi: 10.11884/HPLPB201628.025007

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Research on repetitive rate of industrial X-ray diode

doi: 10.11884/HPLPB201628.025007

1.
Key Laboratory of Pulsed Power,Institute of Fluid Physics,CAEP,P.O.Box 919-108,Mianyang 621900,China

Received Date: 2015-09-30
Rev Recd Date: 2015-11-17
Publish Date: 2016-02-15

Abstract

Abstract

The flash X-ray generator with an industrial X-ray diode would be widely applied in research and industrial detection, which is capable of generating intense x-ray under high repetitive frame. An industrial X-ray diode was driven by the pulsed power supply under 100 Hz to 1 kHz, whose copper cathode was heated to analyze how the surface adsorption affects the electrons emission process. Plasma diffuse processes were investigated simply based on voltage duration and impedance model. The study shows that explosive emission electrons come from gas desorption on copper cathode surface, and the key factor affecting repetitive rate is not diode recovery. Gas absorption velocity between shots is under no more than 1 kHz, so it is a groundwork to develop a novel cathode capable of supplying enough electron beam with high repetitive rate.
- flash X-ray generator,
- industrial X-ray diode,
- metal cathode,
- electron emission mechanism,
- repetitive rate

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