Doppler-free comb-spectroscopy in counter-propagating fields

Sergey A. Pulkin, Guang Hoon Kim, Uk Kang, Vasiliy Arnautov, Svetlana V. Uvarova

Результат исследований: Научные публикации в периодических изданияхстатья

Аннотация

The method of Doppler – free comb – spectroscopy for dipole transitions was proposed. The numerical calculations for susceptibility spectrum for two-level system driving by strong counter propagating combs were made. The narrow peaks with homogeneous width arise on the background of Doppler counter. The contrast of these peaks is large for largest amplitudes of comb-components. Power broadening is increasing with increasing of field amplitudes. The amplitudes of peaks depend on the phase difference between carrier frequencies of combs. The spectral range of absorption spectrum is determined by the spectral range of comb generator and all homogeneous lines arise simultaneously. The spectral resolution is determined by the width of homogeneously –broadening lines. The physical nature of narrow peaks is in the existing of multi-photon transitions between manifolds of quasi-energy levels arising for different groups of atoms moving with velocities that satisfy to the resonant conditions 2kv= (n+l)Ω⁄j, where n, l,
Язык оригиналаанглийский
Страницы (с-по)223-226
ЖурналAmerican Journal of Modern Physics
Том2(4)
DOI
СостояниеОпубликовано - 2013

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