Chinese Physics C > 2007, Vol. 31 > Issue(S1): 118-122

Preliminary Results of the Updated LECR2 Source-LECR2M

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

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Abstract：
The Latest developed LECR2M (Lanzhou ECR No. 2 Modified) source is the updated one of LECR2 (Lanzhou ECR No. 2) source at IMP. It has been assembled on the low energy ion beam experimental platform to produce MCI beams for atomic physics and material physics experimental research. In our updating program, the structure of injection and extraction components has been modified to make the source structure more simple and effective. The hexapole magnet has also been replaced by a new hexapole magnet with higher radial field and larger inner diameter. With this updating, stronger magnetic field confinement of the ECR plasma is possible and better base vacuum condition is also achieved. LECR2M was designed to be operated at 14.5GHz. During the preliminary test, 1.3emA O ⁶⁺beam was extracted with the injected rf power of 1.1kW. The source has been used to deliver intense MCI beams for different experiments. After some discussion of the main features of this newly updated source, some of the typical commissioning test results of LECR2M will be presented.

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SUN Liang-Ting, FENG Yu-Cheng, WANG Hui, LI Jin-Yu, CAO Yun, ZHANG Xue-Zhen, MA Bao-Hua, LI Xi-Xia, SHANG Yong, HE Wei, ZHU Yu-Hua, GUO Xiao-Hong, ZHANG Zi-Mi and Preliminary Results of the Updated LECR2 Source-LECR2M[J]. Chinese Physics C, 2007, 31(S1): 118-122.

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Received: 2007-05-30
Revised: 1900-01-01

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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

Preliminary Results of the Updated LECR2 Source-LECR2M

Corresponding author:SUN Liang-Ting,

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received Date:2007-05-30

Accepted Date:1900-01-01

Available Online:2007-01-03

Abstract:The Latest developed LECR2M (Lanzhou ECR No. 2 Modified) source is the updated one of LECR2 (Lanzhou ECR No. 2) source at IMP. It has been assembled on the low energy ion beam experimental platform to produce MCI beams for atomic physics and material physics experimental research. In our updating program, the structure of injection and extraction components has been modified to make the source structure more simple and effective. The hexapole magnet has also been replaced by a new hexapole magnet with higher radial field and larger inner diameter. With this updating, stronger magnetic field confinement of the ECR plasma is possible and better base vacuum condition is also achieved. LECR2M was designed to be operated at 14.5GHz. During the preliminary test, 1.3emA O⁶⁺beam was extracted with the injected rf power of 1.1kW. The source has been used to deliver intense MCI beams for different experiments. After some discussion of the main features of this newly updated source, some of the typical commissioning test results of LECR2M will be presented.

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Preliminary Results of the Updated LECR2 Source-LECR2M

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