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OALib Journal期刊
ISSN: 2333-9721
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Experimental Improvement of Signal of a Single Laser-Cooled Trapped 40Ca+ Ion
Experimental Improvement of Signal of a Single Laser-Cooled Trapped ^40Ca^+ Ion

Keywords: 32,80,Pj,32,70,Jz,42,62,Fi
^40Ca^+
,Ion,激光冷却,信号处理,信噪比

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Abstract:

A single 40Ca+ ion is loaded in a miniature Paul trap and the probability of directly loading a single ion is above 50%. The signal-to-noise ratio and the storage time for a single ion have been improved by minimizing the ion micromotion and locking a 397nm cooling laser to a Fabry--Perot interferometer and optogalvanic signal. From the fluorescence spectrum, the ion temperature is estimated to be about 5mK.

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