Experimental Study on Ion Beam Emittance of ECR Ion Source

SUN Liang-Ting; CAO Yun; FENG Yu-Cheng; LI Jin-Yu; ZHAO Hong-Wei; ZHANG Zi-Min; WANG Hui; MA Bao-Hua; HE Wei; ZHAO HUAN-Yu; GUO Xiao-Hong

Chinese Physics C> 2005, Vol. 29> Issue(12) : 1179-1184

Experimental Study on Ion Beam Emittance of ECR Ion Source

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China

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Abstract：
With a recently developed electronic-sweep scanner system, we have done series of emittance study on ECR ion source. The electric-sweep scanner system was installed on the beam line of Lanzhou Electron Cyclotron Resonance Ion Source No. 3 experimental platform of Institute of Modern Physics. The influences of magnetic field, microwave, gas mixing and biased disc on the extracted ion beam emittance have been studied in detail. With the experimental results obtained and the empirical results of ion beam emittance and ECR plasma,some conclusions on the relationship between the source tunable parameters and electron cyclotron resonance plasma are made out, which might help understand the working regime of an ECR ion source. The typical results of the experiments and the derived conclusions are presented in this paper.

References

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. Geller R. Rev. Sci. Instr., 1998, 69(3): 1302—13102. Sp#228;dtke P, Tinschert K, Lang R et al. Use of SimulationsBased on Experimental Data. In: Proceedings of the 16thInternational Workshop on ECR Ion Sources LBNL. LeitnerM ed. Melville, New York, U S A: AIP, 2005. 473. ZHANG Zi-Min, ZHAO Hong-Wei, ZHANG Xue-Zhen etal. Rev. Sci. Instr., 2002, 73(2): 580—5814. CAO Yun, ZHAO Hong-Wei, MA Lei et al. Rev. Sci. Instr.,2004, 75(5): 14435. Melin G, Drentje A G, Girard A et al. Ion Behavior andGas Mixing in Electron Cyclotron Resonance Plasmas asSources of Highly Charged Ions. In: Proceedings of the 15thInternational Workshop on ECR Ion Sources. Allardyce Bet al ed. Geneva: CERN-PS Division, 1999. 13—186. Melin G, Drentje A G, Girard A et al. J. Appl. Phys., 1999,86(9): 4772—47797. Wutte D, Leitner M A, Lyneis C M. Physica Scripta, 2001,T92: 247—2498. Sortais P, Maunoury L, Uillari A C C et al. Emittance Simulationand Measurements of a Multicharge Ion Beam Extractedfrom an Electron Cyclotron Resonance Ion Source.In: Proceedings of the 13th International Workshop onECR Ion Sources. May D P et al ed. Texas, USA: TexasAM University, 1997. 83—879. Melin G. International Journal of Mass Spectrometry, 1999,192: 87—9710. Girard A, Melin G. Nucl. Instrum. Methods. in Phys. Res.,1996, A382: 252—26611. Sp#228;dtke P, Tinschert K. 2D and 3D Simulation of IonBeam Extraction from the ECR Source. In: Proceedingsof the 14th International Workshop on ECR Ion Sources.Allardyce B et al ed. Geneva: CERN-PS Division, 1999.143—14612. Melin G, Bourg F, Briand P et al. Rev. Sci. Instr., 1994,64(4): 1051—105613. Gammino S, Ciavola G, Celona L et al. Rev. Sci. Instr.,2001, 72(11): 4090—4097

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SUN Liang-Ting, CAO Yun, FENG Yu-Cheng, LI Jin-Yu, ZHAO Hong-Wei, ZHANG Zi-Min, WANG Hui, MA Bao-Hua, HE Wei, ZHAO HUAN-Yu and GUO Xiao-Hong. Experimental Study on Ion Beam Emittance of ECR Ion Source[J]. Chinese Physics C, 2005, 29(12): 1179-1184.

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Received: 2005-03-14
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

Experimental Study on Ion Beam Emittance of ECR Ion Source

Corresponding author: SUN Liang-Ting,

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China

Received Date: 2005-03-14
Accepted Date: 1900-01-01
Available Online: 2005-12-05

Abstract: With a recently developed electronic-sweep scanner system, we have done series of emittance study on ECR ion source. The electric-sweep scanner system was installed on the beam line of Lanzhou Electron Cyclotron Resonance Ion Source No. 3 experimental platform of Institute of Modern Physics. The influences of magnetic field, microwave, gas mixing and biased disc on the extracted ion beam emittance have been studied in detail. With the experimental results obtained and the empirical results of ion beam emittance and ECR plasma,some conclusions on the relationship between the source tunable parameters and electron cyclotron resonance plasma are made out, which might help understand the working regime of an ECR ion source. The typical results of the experiments and the derived conclusions are presented in this paper.