Experiments on trapping ytterbium atoms in various optical lattices are presented.After the two-stage cooling,first in a blue magneto–optical trap and then in a green magneto–optical trap,the ultracold171Yb atoms are successfully loaded into one-,two-,and three-dimensional optical lattices operating at the Stark-free wavelength,respectively.The temperature,number,and lifetime of cold171Yb atoms in one-dimensional lattice are measured.After optimization,the one-dimensional lattice with cold171Yb atoms is use...
【英文摘要】
Experiments on trapping ytterbium atoms in various optical lattices are presented.After the two-stage cooling,first in a blue magneto–optical trap and then in a green magneto–optical trap,the ultracold171Yb atoms are successfully loaded into one-,two-,and three-dimensional optical lattices operating at the Stark-free wavelength,respectively.The temperature,number,and lifetime of cold171Yb atoms in one-dimensional lattice are measured.After optimization,the one-dimensional lattice with cold171Yb atoms is use...
【基金】
Project supported by the National Key Basic Research and Development Program of China (Grant Nos.2012CB821302 and 2010CB922903);
the National Natural Science Foundation of China (Grant Nos.11134003 and 10774044);
the Shanghai Excellent Academic Leaders Program of China (Grant No.12XD1402400)
【更新日期】
2014-03-06
【分类号】
O562
【正文快照】
1.IntroductionWith the help of optical lattices,studies on neutral atomicoptical clocks have made remarkable progress.[1–4]An ad-vantage of employing the optical lattice is that the neutralatoms in the lattice could have a much longer interrogationtime t
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