Two-photon optical Ramsey spectroscopy of the 1S-2S transition in atomic hydrogen

被引：11
|
作者：
Huber, A [1 ]
Gross, B [1 ]
Weitz, M [1 ]
Hansch, TW [1 ]
机构：
[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany
来源：
PHYSICAL REVIEW A | 1998年 / 58卷 / 04期
关键词：
D O I：
10.1103/PhysRevA.58.R2631
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on the observation of atomic hydrogen 1S-2S Doppler-free two-photon Ramsey spectra using two spatially separated interaction regions. We have observed spectra with typical linewidths of 5 kHz at 121 nm, with considerable room for improvements. Our work furthermore represents an important step towards a future hydrogen-atom interferometer for a measurement of the fine-structure constant. [S1050-2947(98)50810-4].
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页码：R2631 / R2634
页数：4
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