Article

Nonlinear spectroscopy of cold atoms in diffuse laser light.

Key Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China.
Optics Express (impact factor: 3.59). 03/2009; 17(4):2892-905. pp.2892-905
Source: PubMed

ABSTRACT The nonlinear spectroscopy of cold atoms in the diffuse laser cooling system is studied in this paper. We present the theoretical models of the recoil-induced resonances (RIR) and the electromagnetically-induced absorption (EIA) of cold atoms in diffuse laser light, and show their signals in an experiment of cooling (87)Rb atomic vapor in an integrating sphere. The theoretical results are in good agreement with the experimental ones when the light intensity distribution in the integrating sphere is considered. The differences between nonlinear spectra of cold atoms in the diffuse laser light and in the optical molasses are also discussed.

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Keywords

cold atoms
 
cooling
 
differences
 
diffuse laser cooling system
 
diffuse laser light
 
EIA
 
experimental ones
 
integrating sphere
 
light intensity distribution
 
nonlinear spectra
 
nonlinear spectroscopy
 
recoil-induced resonances
 
theoretical models
 
theoretical results
 

Wen-Zhuo Zhang