Chinese Optics Letters, 2005, 3 (11): 11672, Published Online: Jun. 6, 2006  

Ultrathin atomic vapor film transmission spectroscopy: analysis of Dicke narrowing structure

Author Affiliations
1 Department of Physics, Ningxia Guyuan Teachers College, Guyuan 756000
2 Department of Electronic Science and Technology, Xi'an Jiaotong University, Xi'an 710049
Abstract
Transmission sub-Doppler spectroscopy with confined atomic vapor film between two dielectric walls is theoretically studied. Because of atoms flying from wall to wall, where they get de-excited, the atom-field interaction time is anisotropic so that the contribution of slow atoms is enhanced, a sub-Doppler transmission spectroscopy (Dicke narrowing effect) can be obtained when the thickness of the film is much small or comparable with the wavelength even at small angle oblique incidence. It is feasible to get a sub-Doppler structure in a new region (L < λ/4) in experiments.

Yuanyuan Li, Yanpeng Zhang, Chenli Gan. Ultrathin atomic vapor film transmission spectroscopy: analysis of Dicke narrowing structure[J]. Chinese Optics Letters, 2005, 3(11): 11672.

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