Optical Guiding of Trapped Atoms by a Blue-Detuned Hollow Laser Beam in the Horizontal Direction 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Optical Guiding of Trapped Atoms by a Blue-Detuned Hollow Laser Beam in the Horizontal Direction

作者姓名：	江开军王瑾王谨詹明生

作者单位：	[1]StateKeyLaboratoryofMagneticResonanceandAtomicandMolecularPhysics,WuhanInstituteofPhysicsandMathematics,ChineseAcademyofSciences,Wuhan430071／／CentreforColdAtomPhysics,ChineseAcademyofSciences,Wuhan430071 [2]StateKeyLaboratoryofMagneticResonanceandAtomicandMolecularPhysics,WuhanInstituteofPhysicsandMathematics,ChineseAcademyofSciences,Wuhan430071／／CentreforColdAtomPhysics,ChineseAcademyofSciences,Wuhan430071

摘要：	Optical guiding of ^Rb atoms in a magneto-optical trap (MOT) by a blue-detuned horizontal hollow laser beam is demonstrated experimentally. The guiding efficiency and the velocity distribution of the guided atoms are found to have strong dependence on the detuning of the guiding laser. In particular, the optimum guiding occurs when the blue detuning of the hollow laser beam is approximately equal to the hyperfine structure splitting of the ^85Rb ground states, in good agreement with the theoretical analysis based on a three-level model.
关键词：	光学制导原子俘获蓝色通道激光束行偏转基态
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