A low impedance large surface diode

Huang Zhongliang; Xu Qifu; Lai Dingguo; Yang Shi; Yang Li; Qiu Mengtong; Cong Peitian; Ren Shuqing; Wang Qiang

doi:10.11884/HPLPB201628.014005

Volume 28 Issue 01

Jan. 2016

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Article Navigation > High Power Laser and Particle Beams > 2016 > 28(01): 014005

Chen Zhiqiang, Jia Wei, He Xiaoping, et al. Double peak phenomenon of applied pulse voltage induced by flashover around parallel-plate electrodes[J]. High Power Laser and Particle Beams, 2019, 31: 070005. doi: 10.11884/HPLPB201931.180383

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Huang Zhongliang, Xu Qifu, Lai Dingguo, et al. A low impedance large surface diode[J]. High Power Laser and Particle Beams, 2016, 28: 014005. doi: 10.11884/HPLPB201628.014005

Citation:

Huang Zhongliang, Xu Qifu, Lai Dingguo, et al. A low impedance large surface diode[J]. High Power Laser and Particle Beams, 2016, 28: 014005. doi: 10.11884/HPLPB201628.014005

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A low impedance large surface diode

doi: 10.11884/HPLPB201628.014005

1.
Department of Engineering Physics,Tsinghua University,Beijing 100084,China;
2.
State Key Laboratory of Intense Pulsed Radiation Simulation and Effect,Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China

Received Date: 2015-09-17
Rev Recd Date: 2015-11-11
Publish Date: 2016-01-04

Abstract

Abstract

A low impedance large surface diode system with high purity graphite ring cathode and organic glass insulation is developed. The diode is optimally designed by using theoretical calculation and numerical simulation. Under the premise of ensuring the insulation safety, the axial length and the gap between the inner and outer canisters of diode are cut down to decrease the inductance of diode. The experimental result shows that the diode after optimal design works stably without breakdown at the voltage of 200 kV. The result with a max voltage of 213 kV, a current of 221 kA, a characteristic impedance of 1 , a current density of 8 kA/cm2 and an FWHM of 50 ns is achieved in the experiment.
- low impedance diode,
- radial insulation,
- electric field distribution,
- intense electron beam

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