近共振三维光学晶格中铯原子温度的参数依赖
首发时间:2007-10-18
摘要:介绍了四光束三维近共振光学晶格的方案,在铯原子磁光阱和光学粘团的基础上搭建了近共振光学晶格的光路,实现了光学晶格中冷原子的装载。利用短程飞行时间吸收法测量了近共振光学晶格中冷原子的温度,通过改变晶格的光强和失谐等条件,对近共振光学晶格中铯原子的亚多普勒冷却的参数依赖关系作了实验研究,并与光学粘团作了比较。
关键词: 光学晶格 光学粘团 短程飞行时间吸收谱 磁光阱 铯原子
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Parameter Dependence of the Temperature of Cold Cesium Atoms in 3D Near-Resonance Optical Lattice
Abstract:The four-beam 3D near-resonance optical lattice is introduced and experimentally realized based on the magneto-optical trap and optical molasses. Temperature of cold cesium atoms loaded into the lattice is measured via the short-distance time of flight (TOF) absorption spectrum. By changing the intensity and detuning of lattice beams, the lowest temperature in our case is obtained. Parameter dependence of the temperature of the cold atoms in lattice is experimentally investigated, and also comparison with the case of optical molasses is briefly discussed.
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No.1576815508711926****
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