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arXiv physics/0404120physics.class-phphysics.atom-ph
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泵浦laser诱导的Rb D2跃迁探测吸收谱中的速度选择共振下降

Velocity-selective resonance dips in the probe absorption spectra of Rb D2 transitions induced by a pump laser

S. Chakrabarti, A. Pradhan, A. Bandyopadhyay, A. Ray, B. Ray, N. Kar, P. N. Ghosh

摘要:

我们报告的实验观察速度选择性共振的多普勒展宽探测吸收光谱的85 Rb和87 Rb的D2跃迁的存在下,一个强大的共同传播的泵浦激光锁定到一个频率内的多普勒轮廓的过渡。具有允许的超精细跃迁的间隔的三个凹陷的集合可以通过调谐泵浦激光器频率而沿着多普勒轮廓移动,该泵浦激光器频率指示泵浦激光器频率与速度偏移的探测激光器频率之间的谐振。

英文摘要:

We report experimental observation of velocity-selective resonances in the Doppler-broadened probe absorption spectra of 85Rb and 87Rb D2 transitions in the presence of a strong copropagating pump laser locked to a frequency within the Doppler profile of the transition. The set of three dips having the separation of allowed hyperfine transitions can be moved along the Doppler profile by tuning the pump laser frequency indicating a resonance between the pump laser frequency and the velocity shifted probe laser frequency.

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