Study of the aberrations of the IMP heavy ion microbeam irradiation system

SHENG Li-Na; SONG Ming-Tao; GAO Da-Qing; HE Yuan; ZHANG Bin; ZHANG Xiao-Qi

doi:10.1088/1674-1137/33/S2/007

Chinese Physics C> 2009, Vol. 33> Issue(S2) : 26-29 DOI: 10.1088/1674-1137/33/S2/007

Study of the aberrations of the IMP heavy ion microbeam irradiation system

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Abstract：
A high energy heavy ion microbeam irradiation system is constructed at the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS). A quadrupole focusing system, in combination with a series of slits, has been designed here. The IMP microbeam system is described in detail. The
intrinsic and parasitic aberrations associated with the magnets are simulated. The ion beam optics of this microbeam system is investigated systematically. Then the optimized initial beam parameters are given for high spatial resolution and high hitting rates.

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SHENG Li-Na, SONG Ming-Tao, GAO Da-Qing, HE Yuan, ZHANG Bin and ZHANG Xiao-Qi. Study of the aberrations of the IMP heavy ion microbeam irradiation system[J]. Chinese Physics C, 2009, 33(S2): 26-29. doi: 10.1088/1674-1137/33/S2/007

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Received: 2009-01-05
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

Study of the aberrations of the IMP heavy ion microbeam irradiation system

Corresponding author: SHENG Li-Na,

Received Date: 2009-01-05
Accepted Date: 1900-01-01
Available Online: 2009-01-08

Abstract:

A high energy heavy ion microbeam irradiation system is constructed at the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS). A quadrupole focusing system, in combination with a series of slits, has been designed here. The IMP microbeam system is described in detail. The
intrinsic and parasitic aberrations associated with the magnets are simulated. The ion beam optics of this microbeam system is investigated systematically. Then the optimized initial beam parameters are given for high spatial resolution and high hitting rates.