Design and construction of a Zeeman slower for Sr optical clock

被引:0
|
作者
Zhang Y. [1 ]
Fang Z. [2 ]
Zhang Z. [1 ]
机构
[1] School of Electronics Engineering and Computer Science, Peking University
[2] Division of Electricity and Quantum Metrology, National Institute of Metrology
来源
Guangxue Xuebao/Acta Optica Sinica | 2010年 / 30卷 / 04期
关键词
Atom cooling; Atomic and molecular physics; Sr atom optical lattice clock; Zeeman slower;
D O I
10.3788/AOS20103004.0935
中图分类号
学科分类号
摘要
A Zeeman slower is taken as the cooling device for Sr atomic beam injected into the magneto-optical trap (MOT). An efficient method for design and construction of the Zeeman slower, which calculated the coil distribution exactly matching the analytical magnetic field by computer program, is proposed. The flow chart and the algorithm structure of the optimization design program are illustrated in detail. The experimental magnetic field produced by Zeeman slower coils and the signal from magneto-optical trap (MOT) are measured. Based on the computer program simulation, the model can be flexibly adjusted according to the experiment. The coil distribution can calculated by matching the change of parameters and analytical magnetic field. The RMS value between calculated field and analytical field is 2.17×10-4 T.
引用
收藏
页码:935 / 939
页数:4
相关论文
共 15 条
  • [1] Targat R.L., Baillard X., Fouche M., Et al., Accurate optical lattice clock with <sup>87</sup>Sr atoms, Phys. Rev. Lett., 97, 13, (2006)
  • [2] Katori H., Takamoto M., Ultrastable optical clock with neutral atoms in an engineered light shift trap, Phys. Rev. Lett., 91, 17, (2003)
  • [3] Hu X.H., Zang X.F., Zhao D., Et al., Dynamics and modulation of ring dark solitons in two-dimensional Bose-Einstein condensates with tunable interaction, Phys. Rev. A, 79, 2, (2009)
  • [4] Liu X.X., Pu H., Xiong B., Et al., Formation and transformation of vector solitons in two-species Bose-Einstein condensates with a tunable interaction, Phys. Rev. A, 79, 1, (2009)
  • [5] Zhang X.F., Yang Q., Zhang J.F., Et al., Controlling soliton interactions in Bose-Einstein condensates by synchronizing the feshbach resonance and harmonic trap, Phys. Rev. A, 77, 2, (2008)
  • [6] He B., Sun Q., Li P., Et al., Magnetic quantum phase transition of cold atoms in an optical lattice, Phys. Rev. A, 76, 4, (2007)
  • [7] Wang G., Ji W., Ma J., Et al., Measurement on collisional loss rate coefficient of cesium cold atoms in a magneto-optical trap, Chinese J. Lasers, 35, 2, pp. 221-224, (2008)
  • [8] Lu J., Ji X., Yin J., Controllable eight-well optical trap and the two-dimensional optical lattices for cold atoms or molecules, Chinese J. Lasers, 35, 7, pp. 1017-1019, (2008)
  • [9] Mu R., Ji X., Yin J., Double-layer optical-trap arrays for trapping cold atoms or molecules, Acta Optica Sinica, 29, 3, pp. 822-826, (2009)
  • [10] Phillips W.D., Metcalf H., Laser deceleration of an atomic beam, Phys. Rev. Lett., 48, 9, pp. 596-599, (1982)