Chinese Physics C > 2005, Vol. 29 > Issue(3): 219-223

Development of Dragon-I Injector

Institute of Fluid Physics,CAEP,Mianyang 621900,China

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Abstract：
3.5MeV injector is the electron beam source of Dragon-I induction linac. Electron beam is extracted by the magnetic field from diode powered by an induction voltage adder, which is composed of pulsed power system, induction cavities, cathode/anode stem and radial insulator. Innovation is adopted in the development such as Pierce-like cathode, 800mm OD ferrite torroid and solenoids placed inside cathode/anode.Measurement shows that this injector is of high performance with output beam of 2.8kA,3.7MeV, and normalized emittance of 1040 p×mm·mrad, energy spread of 2.1%.

References

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. Scarpetti R et al. Upgrades to the LLNL Flash X-Ray Induct ion Linear Accelerater( FXR) . 11th IEEE International Pulsed Power Conference,19972.DING Bo-nan. 10MeV LIA Research Report. Proceedings of 10MeV LIA Conference, CAEP, 19943.de Mascureau J et al. St atus of the AIRIX Induction Accelerator. Proc.of the Particle Accelerator Conf. , Dallas IEEE, 1995, 12104.Caporaso G J, Cole A G. High Current Electron Transport. AmericanInstitute of Physics, 19925.Mart in J C. Internal Report SSWA/ JCM/ 704/49. AWRE, Aldermaston, England, 1970

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DING Bo-Nan, ZHANG Kai-Zhi, WEN Long, WANG Meng, DAI Zhi-Yong, ZHANG Wen-Wei, LI Hong, WANG Wen-Dou, LI Jin, YANG An-Min, XIE Yu-Tong, CHEN Si-Fu, WANG Hua-Cen, DAI Guang-Sen, SHI Jin-Shui, ZHANG Lin-Wen and DENG Jian-Jun. Development of Dragon-I Injector[J]. Chinese Physics C, 2005, 29(3): 219-223.

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Received: 2004-09-22
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Development of Dragon-I Injector

Corresponding author:DING Bo-Nan,

Institute of Fluid Physics,CAEP,Mianyang 621900,China

Received Date:2004-09-22
Accepted Date:1900-01-01
Available Online:2005-03-05

Abstract:3.5MeV injector is the electron beam source of Dragon-I induction linac. Electron beam is extracted by the magnetic field from diode powered by an induction voltage adder, which is composed of pulsed power system, induction cavities, cathode/anode stem and radial insulator. Innovation is adopted in the development such as Pierce-like cathode, 800mm OD ferrite torroid and solenoids placed inside cathode/anode.Measurement shows that this injector is of high performance with output beam of 2.8kA,3.7MeV, and normalized emittance of 1040 p×mm·mrad, energy spread of 2.1%.