| ATOMIC AND MOLECULAR PHYSICS |
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Measurement of Secular Motion Frequency in Miniature Paul Trap to Ascertain the Stability Parameters |
| GUO Bin1,2,3, GUAN Hua1,2, LIU Qu1,2,3, HUANG Yao1,2,3, HUANG Xue-Ren1,2, GAO Ke-Lin1,2 |
| 1State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 4300712Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 4300713Graduate School, Chinese Academy of Sciences, Beijing 100080 |
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| Cite this article: |
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GUO Bin, GUAN Hua, LIU Qu et al 2010 Chin. Phys. Lett. 27 013202 |
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Abstract 40Ca+ ions are trapped and laser cooled in a miniature Paul trap. The secular motion was observed by the radio-frequency resonance of the ion cloud and Zeeman profile sidebands of a single ion experimentally. The trap stability parameters a and q are determined with an uncertainty under 1% by the secular motion frequency measurement. The trap efficiency is 0.75. A practicable suggestion is given for the benefits of a new trap design.
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| Keywords:
32.80.Pj
32.70.Jz
42.62.Fi
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Received: 29 September 2009
Published: 30 December 2009
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