Precision spectroscopy of Mg atoms in a magneto-optical trap

被引：13
|
作者：
Goncharov, A. N. [1 ,2 ]
Bonert, A. E. [1 ]
Brazhnikov, D. V. [1 ,2 ]
Shilov, A. M. [1 ,2 ]
Bagayev, S. N. [1 ,2 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Laser Phys, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
来源：
QUANTUM ELECTRONICS | 2014年 / 44卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
laser cooling; magnesium; frequency standard; OPTICAL LATTICE CLOCK; INTERFEROMETRY; STABILITY;
D O I：
10.1070/QE2014v044n06ABEH015460
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report the results of experimental investigations aimed at creation of the optical frequency standard based on magnesium atoms cooled and localised in a magneto-optical trap (MOT). An experimentally realised MOT for magnesium made it possible to obtain a cloud comprising similar to 10(6)-10(7) atoms at a temperature of 3-5 mK. The results of ultra-high resolution spectroscopy of intercombination S-1(0)-P-3(1) transition for Mg atom are presented, the resonances in time-domain separated optical fields with the half-width of Gamma = 500 Hz are recorded, which corresponds to the Q-factor of the reference line Q = v/Delta v similar to 1.3 x 10(12).
引用
收藏
页码：521 / 526
页数：6
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