转动多普勒效应的光谱观测
Spectroscopic observation of the rotational Doppler effect
摘要:
我们报告的第一个光谱观测的旋转多普勒频移与光束进行轨道角动量。当两束拉盖尔-高斯激光束具有相反的拓扑电荷时,Rb蒸气的Hanle/EIT相干共振展宽。观测结果与理论预测非常吻合。
英文摘要:
We report on the first spectroscopic observation of the rotational Doppler shift associated with light beams carrying orbital angular momentum. The effect is evidenced as the broadening of a Hanle/EIT coherence resonance on Rb vapor when the two incident Laguerre-Gaussian laser beams have opposite topological charges. The observations closely agree with theoretical predictions.
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