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Pengfei ZHANG (张鹏飞), Yang HU (胡杨), Jiang SUN (孙江), Yan SONG (宋岩), Jianfeng SUN (孙剑锋), Zhiming YAO (姚志明), Peitian CONG (丛培天), Mengtong QIU (邱孟通), Aici QIU (邱爱慈). Design and experimental research on a selfmagnetic pinch diode under MV[J]. Plasma Science and Technology, 2018, 20(1): 14014-014014. DOI: 10.1088/2058-6272/aa8592
Citation: Pengfei ZHANG (张鹏飞), Yang HU (胡杨), Jiang SUN (孙江), Yan SONG (宋岩), Jianfeng SUN (孙剑锋), Zhiming YAO (姚志明), Peitian CONG (丛培天), Mengtong QIU (邱孟通), Aici QIU (邱爱慈). Design and experimental research on a selfmagnetic pinch diode under MV[J]. Plasma Science and Technology, 2018, 20(1): 14014-014014. DOI: 10.1088/2058-6272/aa8592
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Design and experimental research on a selfmagnetic pinch diode under MV

  • 1 State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China

  • 2 State Key Laboratory of Intense Pulse Radiation of Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, People’s Republic of China

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  • A self-magnetic pinch diode (SMPD) integrating an anode foil-reinforced electron beam pinch focus and a small high-dose x-ray spot output was designed and optimized. An x-ray focal spot measuring system was developed in accordance with the principle of pinhole imaging. The designed SMPD and the corresponding measuring system were tested under ∼MV, with 1.75×2 mm2 oval x-ray spots (AWE defined) and forward directed dose 1.6 rad at 1 m. Results confirmed that the anode foil can significantly strengthen the electron beam pinch focus, and the focal spot measuring system can collect clear focal spot images. This finding indicated that the principle and method are feasible.
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