Pulsed X-ray source based on inductive voltage adder and rod pinch diode for radiography
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sun fengju,
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qiu aici,
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yang hailiang,
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zeng jiangtao,
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gai tongyang,
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liang tianxue,
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yin jiahui,
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sun jianfeng,
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cong peitian,
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huang jianjun,
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su zhaofeng,
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gao yi,
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liu zhigang,
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jiang xiaofeng,
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li jingya,
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zhang zhong,
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song guzhou,
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pei mingjing,
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niu shengli
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Abstract
The pulsed X-ray source based on the inductive voltage adder (IVA) and rod pinch diode (RPD) is developed, and its configuration and main parts and output parameters are introduced in detail. The Marx generator with 3.3 MV charges the water pulsed forming lines with 7.8 Ω and produces the high power pulse of 70 ns width with about 1 MV feeding the three IVA cells in parallel through the peaking water switch and the pre-pulse oil switch. The secondary of IVA adopts the vacuum insulation transmission line (VITL) with the impedance from 40 Ω up to 60 Ω, driving the RPD isolated from the output terminal of IVA for 2 m VITL. The diameter of the graphite cathode of RPD is 12 mm, and the diameter of the tungsten anode rod is 1.2 mm. The electron beam from the cathode is pinched to the tip of t
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