Jun-Ru Shi, Xin-Liang Wang, Yong Guan, Jun Ruan, Dan-Dan Liu, Yang Bai, Fan Yang, Hui Zhang, Feng-Xiang Yu, Si-Chen Fan, Shou-Gang Zhang. A method of accurately determining temperature of cold atomic cloud in atomic fountain [J]. Acta Physica Sinica, 2019, 68(19): 190601-1
- Acta Physica Sinica
- Vol. 68, Issue 19, 190601-1 (2019)
Fig. 1. The model of measuring the temperature of cold atomic cloud by knife-edge method.刀口法测量冷原子团温度模型
Fig. 2. The residual atom number versus knife-edge position with different Gaussian radii.不同高斯半径的剩余原子数与刀口位置关系
Fig. 3. The schematic diagram of experimental setup for measuring cold atomic cloud´s temperature by knife-edge method.刀口法测量冷原子团温度实验装置简图
Fig. 4. The residual atom number versus knife-edge position at height 10 mm (a) and 160 mm (b)under the center of magneto-optical trap.磁光阱中心正下方10 mm (a)和 160 mm (b)处的剩余原子数与刀口位置关系
Fig. 5. The cold atomic cloud´s time-of-flight signal in free falling process.冷原子团自由下落飞行时间信号
Fig. 6. The comparison between knife-edge and time of flight methods in measuring cold atomic cloud´s temperature刀口法与飞行时间法测量冷原子团温度对比
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