Open AccessObservation of Rydberg series of neutral barium by two-photon resonent nondegenerate four-wave mixing
Author(s) -
Sun Jiang,
Zhanchun Zuo,
Qinglin Guo,
Wang Ying-long,
Su-Fang Huai,
Ying Wang,
Panming Fu
Publication year - 2006
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.55.221
Subject(s) - physics , rydberg formula , four wave mixing , atomic physics , photon , spectroscopy , mixing (physics) , rydberg state , laser , series (stratigraphy) , barium , doppler effect , electron , ion , optics , nonlinear optics , quantum mechanics , materials science , ionization , paleontology , metallurgy , biology
We have applied two-photon resonant nondegenerate four-wave mixing (NFWM) with a resonant intermediate state to measure the energy levels of the Ba even-parity J=0 and J=2 series. Differing from other experiment techniques, our method is a pure optical technique. Instead of detecting electrons or ions, the signal here is a coherent light. Two-photon resonant NFWM is a Doppler-free spectroscopy when the incident laser beams have narrow bandwidths.
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