中国物理B ›› 2013, Vol. 22 ›› Issue (9): 90601-090601.doi: 10.1088/1674-1056/22/9/090601
陈宁, 周敏, 陈海琴, 方苏, 黄良玉, 张晓航, 高琪, 蒋燕义, 毕志毅, 马龙生, 徐信业
Chen Ning (陈宁), Zhou Min (周敏), Chen Hai-Qin (陈海琴), Fang Su (方苏), Huang Liang-Yu (黄良玉), Zhang Xiao-Hang (张晓航), Gao Qi (高琪), Jiang Yan-Yi (蒋燕义), Bi Zhi-Yi (毕志毅), Ma Long-Sheng (马龙生), Xu Xin-Ye (徐信业)
摘要: An optical atomic clock with 171Yb atoms is devised and tested. By using a two-stage Doppler cooling technique, the 171Yb atoms are cooled down to a temperature of 6±3 μK, which is close to the Doppler limit. Then, the cold 171Yb atoms are loaded into a one-dimensional optical lattice with a wavelength of 759 nm in the Lamb-Dicke regime. Furthermore, these cold 171Yb atoms are excited from the ground-state 1S0 to the excited-state 3P0 by a clock laser with a wavelength of 578 nm. Finally, the 1S0-3P0 clock-transition spectrum of these 171Yb atoms is obtained by measuring the dependence of the population of the ground-state 1S0 upon the clock-laser detuning.
中图分类号: (Time and frequency)