Observing quantum gases in real time: Single-atom detection on a chip

Observing quantum gases in real time: Single-atom detection on a chip
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实时观察量子气体:芯片上的单原子检测

DOI:
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发表时间:
2009
期刊:
影响因子:
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通讯作者:
C. Zimmermann
C. Zimmermann
中科院分区:
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文献类型:
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作者:
A. Günther;H. Bender;A. Stibor;J. Fortágh;C. Zimmermann

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通过通道电子倍增器中的三光子电离和随后的离子探测,在原子芯片上以$67ifmmodesmse extpmfi{}12ext{}%的效率探测到了单个磁捕获原子。展示了单原子的状态选择性探测和捕获原子云的高分辨率光学光谱。捕获的原子气体的温度和粒子密度被实时监测,原子损失在5%以下可以忽略不计。
Single magnetically trapped $^{87} ext{R} ext{b}$ atoms on an atom chip are detected with $67ifmmodepmelse extpmfi{}12 ext{ }%$ efficiency by three photon ionization and subsequent ion detection in a channel electron multiplier. State selective detection of single atoms and high-resolution optical spectroscopy on trapped atom clouds are demonstrated. The temperature and particle density of a trapped atomic gas is monitored in situ and in real time with negligible atom loss due to ionization below 5%.
DOI: 10.1038/nphys1102
发表时间: 2008-12-01
期刊: NATURE PHYSICS
影响因子: 19.6
作者:
Gericke, Tatjana;Wuertz, Peter;Ott, Herwig
通讯作者: Ott, Herwig