We realize an experimental facility for cooling and trapping strontium (Sr) atoms and measure the Landé g factor of 3 D 1 of 88 Sr. Thanks to a novel repumping scheme with the 3 P 2 → 3 S 1 and 3 P 0 → 3 D 1 combination and the permanent magnets based self-assembled Zeeman slower, the peak atom number in the continuously repumped blue magneto-optical trap is enhanced by a factor of 15 with respect to the non-repumping case, and reaches ∼1 billion. Furthermore, using the resolved-sideband Zeeman spectroscopy, the Landé g factor of 3 D 1 is measured to be 0.4995(88) showing a good agreement with the theoretical value of 0.4988. The results will have an impact on various applications including atom laser, dipolar interactions, quantum information and precision measurements.

中文翻译：

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用于Sr磁光阱的3 P 0→3 D 1上的新型泵送和3 D 1的Landég因子测量

我们实现了一个用于冷却和俘获锶（Sr）原子的实验设备，并测量了88 Sr的3 D 1的Landég因子。这要归功于采用3 P 2→3 S 1和3 P 0→3 D的新颖的再注入方案在1种组合和基于永磁体的自组装Zeeman速度较慢的情况下，连续注入的蓝色磁光阱中的峰值原子数相对于非注入的情况增加了15倍，达到约10亿个。此外，使用分辨边带塞曼光谱法，测得3 D 1的Landég因子为0.4995（88），与理论值0.4988吻合良好。结果将对包括原子激光，偶极相互作用，量子信息和精度测量在内的各种应用产生影响。