Fe b 20 05 Lifetime Measurement of the 6 s Level of Rubidium

Fe b 20 05 Lifetime Measurement of the 6 s Level of Rubidium
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Fe b 20 05 铷 6 s 水平的寿命测量

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发表时间:
2005
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影响因子:
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通讯作者:
G. Sprouse
G. Sprouse
中科院分区:
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文献类型:
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作者:
E. Gomez;F. Baumer;A. Lange;G. Sprouse

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我们提出了一个寿命测量的6s水平的铷。我们使用时间相关的单光子计数技术对两个不同的铷原子样品。一种具有可变铷密度的蒸汽电池,其原子样品被限制并冷却在磁光阱中。5P1/2电平作为两阶激励到6s电平的谐振中间阶跃。我们通过5P3/2能级在780 nm处的级联荧光检测到6s能级的衰减。两种样品具有不同的系统效应,但我们得到了一致的结果,平均寿命为45.57±0.17 ns。
We present a lifetime measurements of the 6s level of rubidium. We use a time-correlated singlephoton counting technique on two different samples of rubidium atoms. A vapor cell with variable rubidium density and a sample of atoms confined and cooled in a magneto-optical trap. The 5P1/2 level serves as the resonant intermediate step for the two step excitation to the 6s level. We detect the decay of the 6s level through the cascade fluorescence of the 5P3/2 level at 780 nm. The two samples have different systematic effects, but we obtain consistent results that averaged give a lifetime of 45.57 ± 0.17 ns.