Time-resolved energy spectrum measurement of a linear induction accelerator with the magnetic analyzer

WANG Yuan; JIANG Xiao-Guo; YANG Guo-Jun; CHEN Si-Fu; ZHANG Zhuo; WEI Tao; LI Jin

doi:10.1088/1674-1137/39/1/017004

Chinese Physics C> 2015, Vol. 39> Issue(1) : 017004 DOI: 10.1088/1674-1137/39/1/017004

Time-resolved energy spectrum measurement of a linear induction accelerator with the magnetic analyzer

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Abstract：
We recently set up a time-resolved optical beam diagnostic system. Using this system, we measured the high current electron beam energy in the accelerator under construction. This paper introduces the principle of the diagnostic system, describes the setup, and shows the results. A bending beam line was designed using an existing magnetic analyzer with a 300 mm-bending radius and a 60° bending angle at hard-edge approximation. Calculations show that the magnitude of the beam energy is about 18 MeV, and the energy spread is within 2%. Our results agree well with the initial estimates deduced from the diode voltage approach.

References

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DENG J J, CHEN S F, LI J et al. High Power Laser and Particle Beams, 2003, 15(7): 705-707 (in Chinese)[2] JIANG X G, WANG Y, ZHANG K Z et al. High Power Laser and Particle Beams. 2012, 24(5): 101-104 (in Chinese)[3] WANG Y, XIE Y T, CHEN S F et al. High Power Laser and Particle Beams. 2012, 24(4): 950-952[4] WANG Y, JIANG X G, YANG L B et al. Scientia Sinica Techologica, 2011, 41(12): 1580-1583[5] WEI-Kai Yu. Theory of Electrification Beam Transmission. Beijing: Science Press, 1986[6] YE-Ming Han et al. The Static Accelerator. Beijing: Science Press, 1965[7] Vector Fields Limited. Opera-3D User Guide. Vector Fields Limited, UK, 2008[8] JIANG X G, WANG Y, YANG G J et al. High Power Laser and Particle Beams, 2013, 25(11): 2780-2784 (in Chinese)[9] WANG Y, JIANG X G, YANG G J et al. High Power Laser and Particle Beams, 2006, 15(1): 101-104 (in Chinese)[10] JIANG Xiao-Guo, LI Cheng-Gang, WANG Yuan et al. High Energy Physics and Nuclear Physics, 2006, 30(8): 784-787 (in Chinese)[11] WANG Y, JIANG X G, CHEN S F et al. High Power Laser and Particle Beams, 2014, 26(4): 043201

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WANG Yuan, JIANG Xiao-Guo, YANG Guo-Jun, CHEN Si-Fu, ZHANG Zhuo, WEI Tao and LI Jin. Time-resolved energy spectrum measurement of a linear induction accelerator with the magnetic analyzer[J]. Chinese Physics C, 2015, 39(1): 017004. doi: 10.1088/1674-1137/39/1/017004

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Received: 2014-01-26
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

Time-resolved energy spectrum measurement of a linear induction accelerator with the magnetic analyzer

Corresponding author: JIANG Xiao-Guo,

Received Date: 2014-01-26
Accepted Date: 1900-01-01
Available Online: 2015-01-05

Abstract: We recently set up a time-resolved optical beam diagnostic system. Using this system, we measured the high current electron beam energy in the accelerator under construction. This paper introduces the principle of the diagnostic system, describes the setup, and shows the results. A bending beam line was designed using an existing magnetic analyzer with a 300 mm-bending radius and a 60° bending angle at hard-edge approximation. Calculations show that the magnitude of the beam energy is about 18 MeV, and the energy spread is within 2%. Our results agree well with the initial estimates deduced from the diode voltage approach.