Fluorescence Detection and Buffer Gas Cooling of Trapped Mercury Ions in Paul Trap |
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| Authors: | SHE Lei WANG Wen-Ming BAI Lei SUN Huan-Yao ZHU Xi-Wen LI Jiao-Mei GAO Ke-Lin |
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| Affiliation: | State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071 Graduate School of Chinese Academy of Sciences, Beijing 100080 |
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| Abstract: | ![]()
Hg ions are confined in a hyperboloid ion trap. With the rf discharge 202Hg isotope lamp, the fluorescence signal of trapped Hg ions is observed. By means of buffer gas cooling, the ionic temperature is reduced. As a result, the trapping time is increased and the signal-to-noise ratio (SNR) of the fluorescent signal is improved. The temperature of ion cloud is estimated by measuring the space charge shift. |
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| Keywords: | 39.10.+j 39.39.+d |
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