Absolute frequency measurement of rubidium 5S-7S two-photon transitions with a femtosecond laser comb

被引:0
|
作者
Chui, HC [1 ]
Ko, MS
Liu, YW
Shy, JT
Peng, JL
Ahn, H
机构
[1] Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan
[2] Ind Technol Res Inst, Ctr Measurement Stand, Hsinchu 300, Taiwan
关键词
D O I
10.1364/OL.30.000842
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The absolute frequencies of rubidium 5S-7S two-photon transitions at 760 nm are measured to an accuracy of 20 kHz with an optical frequency comb based on a mode-locked femtosecond Ti:sapphire laser. The rubidium 5S-78 two-photon transitions are potential candidates for frequency standards and serve as important optical frequency standards for telecommunication applications. The accuracy of the hyperfine constant of the 7S(1/2) state is improved by a factor of 5 in comparison with previous results. (c) 2005 Optical Society of America.
引用
收藏
页码:842 / 844
页数:3
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