光相干后向散射中饱和引起的相干损失
Saturation induced coherence loss in coherent backscattering of light
摘要：
利用冷锶原子对光的相干后向散射研究了多次散射区中光波的相互相干性。随着探测光强度的增加，原子的光学跃迁开始饱和。然后发生非线性和非弹性散射。在我们的实验中，我们观察到一个强烈减少的增强因子的相干后向散射锥时，探测激光的强度增加，表明在多次散射的相干性的部分损失。
英文摘要：
We use coherent backscattering (CBS) of light by cold Strontium atoms to study the mutual coherence of light waves in the multiple scattering regime. As the probe light intensity is increased, the atomic optical transition starts to be saturated. Nonlinearities and inelastic scattering then occur. In our experiment, we observe a strongly reduced enhancement factor of the coherent backscattering cone when the intensity of the probe laser is increased, indicating a partial loss of coherence in multiple scattering.
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