Deceleration of Metastable $\rm{Li}^{+}$ Beam by Combining Electrostatic Lens and Ion Trap Technique
Shao-Long Chen1 , Peng-Peng Zhou1,2 , Shi-Yong Liang1,2 , Wei Sun1 , Huan-Yao Sun1 , Yao Huang1 , Hua Guan1* , Ke-Lin Gao1,3*
1 State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China2 University of Chinese Academy of Sciences, Beijing 100049, China3 Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071, China
Abstract ：Ion deceleration has played a critical role in ion-related research when the ions are produced in the form of a high-energy beam. We present a deceleration method combining electrostatic lens and ion trap technique, which can effectively decelerate ions to energy below the trapping potential of a typical ion trap. The experiments were performed on metastable $1s2s\,{}^{3}\!S_1\,{\rm Li}^{+}$ ions, and demonstrated that the kinetic energy could easily be reduced from $\sim$450 eV to a few eV, with the latter being confirmed using the Doppler-shifted fluorescence spectra.
收稿日期: 2020-03-31
出版日期: 2020-06-21
:
32.70.-n
(Intensities and shapes of atomic spectral lines)
32.70.Jz
(Line shapes, widths, and shifts)
32.10.Fn
(Fine and hyperfine structure)
07.75.+h
(Mass spectrometers)
引用本文:
. [J]. 中国物理快报, 2020, 37(7): 73201-.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/37/7/073201
或
https://cpl.iphy.ac.cn/CN/Y2020/V37/I7/73201
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