~（87）Rb原子F=2流形中脉冲原子laser的本征涨落
The inherent fluctuations of the pulsed atom laser in F=2 manifold of 87Rb atoms
摘要：
我们观察到F=2 87 Rb原子激光器在低耦合率输出时的强度起伏。理论上，我们发现，由于原子激光器的输出，凝聚体中的原子损失导致了激光脉冲的起伏，这是所有状态变化的外耦合（如rf和Raman）所固有的。导致大波动的另一个原因是输出脉冲的干扰。
英文摘要：
We have observed the intensity fluctuations of the F=2 87Rb atom laser at low output coupling rate. Theoretically, we find that the atom loss of the condensate due to the output of atom laser leads to fluctuations of the laser pulses, which is inherent in all state changing out-coupling such as rf and Raman. Another reason leading to large fluctuations is the interference of output pulses.
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