Research on Multi-Pulsed Intensive Electron Beam Source

XIA Lian-Sheng;ZHANG Huang;JIANG Xiao-Guo;YANG An-Min;LI Cheng-Gang;WANG Yuan;ZHANG Kai-Zhi;SHI Jin-Shui;ZHANG Lin-Wen;DENG Jian-Jun

Chinese Physics C> 2006, Vol. 30> Issue(5) : 470-475

Research on Multi-Pulsed Intensive Electron Beam Source

XIA Lian-Sheng;ZHANG Huang;JIANG Xiao-Guo;YANG An-Min;LI Cheng-Gang;WANG Yuan;ZHANG Kai-Zhi;SHI Jin-Shui;ZHANG Lin-Wen;DENG Jian-Jun

Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China

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Abstract：
This paper is involved in multi-pulsed emission characteristics of some cathodes while generating intensive relativistic electron beams. Research results indicate that the velvet, the carbon fiber and the dispenser cathode all have the ability to generate a few kilo-ampere multi-pulsed beams with brightness better than 3×10⁷A/(m.rad)². And some new cathodes such as carbon nano-tubes and nano-diamond film also can generate a few kilo-ampere multi-pulsed electron beams. Because of the cold field emission, the beams generated by the carbon nano-tubes and the nano-diamond film are expected to be higher brightness. Some experimental results of above cathodes are present and some suggestion for farther work is also proposed.

References

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XIA Lian-Sheng;ZHANG Huang;JIANG Xiao-Guo;YANG An-Min;LI Cheng-Gang;WANG Yuan;ZHANG Kai-Zhi;SHI Jin-Shui;ZHANG Lin-Wen;DENG Jian-Jun. Research on Multi-Pulsed Intensive Electron Beam Source[J]. Chinese Physics C, 2006, 30(5): 470-475.

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Received: 2005-07-21
Revised: 2005-09-02

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Research on Multi-Pulsed Intensive Electron Beam Source

Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China

Received Date: 2005-07-21

Accepted Date: 2005-09-02

Available Online: 2006-05-05

Abstract: This paper is involved in multi-pulsed emission characteristics of some cathodes while generating intensive relativistic electron beams. Research results indicate that the velvet, the carbon fiber and the dispenser cathode all have the ability to generate a few kilo-ampere multi-pulsed beams with brightness better than 3×10⁷A/(m.rad)². And some new cathodes such as carbon nano-tubes and nano-diamond film also can generate a few kilo-ampere multi-pulsed electron beams. Because of the cold field emission, the beams generated by the carbon nano-tubes and the nano-diamond film are expected to be higher brightness. Some experimental results of above cathodes are present and some suggestion for farther work is also proposed.

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Research on Multi-Pulsed Intensive Electron Beam Source

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