锶可见光互组合线的精密频率测量
原子物理
2007-05-23 v2
摘要
我们报告了锶的可见5s S-5s 5pP互组合线的直接频率测量,该线被认为是未来光学频率标准的可能候选。腔稳定激光器的频率锁定在热Sr原子束的饱和荧光上,并通过参考GPS信号的SI秒的光学频率梳发生器进行测量。Sr跃迁被测量为434 829 121 311 (10) kHz。我们还测量了Sr-Sr同位素位移为163 817.4 (0.2) kHz。
引用
@article{arxiv.physics/0309014,
title = {Precision frequency measurement of visible intercombination lines of strontium},
author = {G. Ferrari and P. Cancio and R. Drullinger and G. Giusfredi and N. Poli and M. Prevedelli and C. Toninelli and G. M. Tino},
journal= {arXiv preprint arXiv:physics/0309014},
year = {2007}
}
备注
4 pages, 4 figures. To be published on Phys. Rev. Lett. To be published on Phys. Rev. Lett