应用于铯原子喷泉钟的二维磁光阱研制

吴长江; 阮军; 陈江; 张辉; 张首刚

doi:10.7498/aps.62.063201

摘要

理论模拟研究了二维磁光阱原子束流量与饱和蒸汽压、冷却光强、激光失谐量的关系, 构建了二维磁光阱(2D-MOT)装置, 实验上实现了大流量的慢速原子束, 其测量值为2.1 109/s.利用荧光法测量了各实验参数与流量的关系, 测量结果与数值模拟结果符合较好.

关键词:

To study the relationship of atomic beam flow with cooling intensity, laser detuning, and magnetic field gradient, the numerical simulation is performed and a two-dimensional magneto-optical trap setup is built. A low-velocity atomic beam flow is generated with a total flux of 2.1 109/s. Theoretical analysis and experimental results are in good consistence. Optimal detuning and magnetic field gradient can produce the largest atomic beam flow.

Keywords:

作者及机构信息

1.
中国科学院国家授时中心, 西安 710600;

2.
中国科学院大学, 北京 100049;

3.
中国科学院时间频率基准重点实验室, 西安 710600

基金项目: 国家自然科学基金重点项目(批准号: 10834007)、国家杰出青年科学基金(批准号: 61025023)和国家重大科研仪器设备研制专项 (批准号: 61127901)资助的课题.

Authors and contacts

1.
National Time Service Center, Chinese Academy of Sciences, Xi’an 710600, China;

2.
Graduate University of Chinese Academy of Sciences, Beijing 100049, China;

3.
Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China

Funds: Project supported by the Key Program of the National Natural Science Foundation of China (Grant No. 10834007), the National Science Fund for Distinguished Young Scholars of China (Grant No. 61025023) and the National Major Fund of Scientific Equipment and Instrument Development, China (Grant No. 61127901).

参考文献

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[3]	Guéna J, Abgrall M, Rovera D, Laurent P, Chupin B, Lours M, Santarelli G, Rosenbusch P, Tobar M E, Li R, Gibble K, Clairon A, Bize S 2012 IEEE Trans. Ultrason. Ferroelectr. Freq. Control 59 391
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[5]	Tiecke T G, Gensemer S D, Ludewig A, Walraven J T M 2009 Phys. Rev. A 80 013409
[6]	Wang X L, Chen J, Wang Y B, Gao F, Zhang S G, Liu H F, Chang H 2011 Acta Phys. Sin. 60 103201 [王心亮, 陈洁, 王叶兵, 高峰, 张首刚, 刘海峰, 常宏 2011 60 103201]
[7]	Kellogg J R, Schlippert D, Kohel J M, Thompson R J, Aveline D C, Yu N 2011 arXiv: 1107.5602v1 [physics.atom-ph]
[8]	Ramirez-Serrano J, Yu N, Kohel J M, Kellogg J R, Maleki L 2006 Opt. Lett. 31 682
[9]	Chapelet F, Gńena J, Rovera D, Laurent P, Rosenbusch P, Santarelli G, Bize S, Clairon A, Tobar M E, Abgrall M 2007 Proc. of 21th European Freq, and Time Forum Geneva, Switzerland, 2007 p111
[10]	Gerginov V, Nemitz N, Griebsch D, Kazda M, Li R, Gibble K, Wynands R, Weyers S 2010 Proc. of 24th European Freq. and Time Forum Noordwijk, Netherlands, 2010 p222
[11]	Liu Y, Wu J H, Shi B S, Guo G C 2012 Chin. Phys. Lett. 29 024205
[12]	Wang X L, Cheng B, Wu B, Wang Z Y, Lin Q 2011 Chin. Phys. Lett. 28 053701
[13]	Adams C S, Sigel M, Mlynek J 1994 Phys. Rep. 240 143
[14]	Miffre A, Jacquey M, Buchner M, Trenec G, Vigue J 2006 Phys. Scr. 74 15
[15]	Metcalf H J, van der Straten P 1999 Laser Cooling and Trapping (New York: Springer-Verlag) p345
[16]	Chaudhuri S, Roy S, Unnikrishnan C S 2006 Phys. Rev. A 74 023406
[17]	Lindquist K, Stephens M, Wieman C 1992 Phys. Rev. A 46 4082
[18]	Catani J, Maioli P, De Sarlo L, Minardi F, Inguscio M 2006 Phys. Rev. A 73 033415
[19]	Schoser J, Batar A, Low R, Schweikhard V, Grabowski A, Ovchinnikov Yu B, Pfau T 2002 Phys. Rev. A 66 023410

施引文献

[1]	Wynands R, Weyers S 2005 Metrologia 42 64
[2]	Jefferts S R, Shirley J, Parker T E, Heavner T P, Meekhof D M, Nelson C, Levi F, Costanzo G, De Marchi A, Drullinger R, Hollberg L, Lee W D, Walls F L 2002 Metrologia 39 321
[3]	Guéna J, Abgrall M, Rovera D, Laurent P, Chupin B, Lours M, Santarelli G, Rosenbusch P, Tobar M E, Li R, Gibble K, Clairon A, Bize S 2012 IEEE Trans. Ultrason. Ferroelectr. Freq. Control 59 391
[4]	Ovchinnikov Y Marra G 2011 Metrologia 48 87
[5]	Tiecke T G, Gensemer S D, Ludewig A, Walraven J T M 2009 Phys. Rev. A 80 013409
[6]	Wang X L, Chen J, Wang Y B, Gao F, Zhang S G, Liu H F, Chang H 2011 Acta Phys. Sin. 60 103201 [王心亮, 陈洁, 王叶兵, 高峰, 张首刚, 刘海峰, 常宏 2011 60 103201]
[7]	Kellogg J R, Schlippert D, Kohel J M, Thompson R J, Aveline D C, Yu N 2011 arXiv: 1107.5602v1 [physics.atom-ph]
[8]	Ramirez-Serrano J, Yu N, Kohel J M, Kellogg J R, Maleki L 2006 Opt. Lett. 31 682
[9]	Chapelet F, Gńena J, Rovera D, Laurent P, Rosenbusch P, Santarelli G, Bize S, Clairon A, Tobar M E, Abgrall M 2007 Proc. of 21th European Freq, and Time Forum Geneva, Switzerland, 2007 p111
[10]	Gerginov V, Nemitz N, Griebsch D, Kazda M, Li R, Gibble K, Wynands R, Weyers S 2010 Proc. of 24th European Freq. and Time Forum Noordwijk, Netherlands, 2010 p222
[11]	Liu Y, Wu J H, Shi B S, Guo G C 2012 Chin. Phys. Lett. 29 024205
[12]	Wang X L, Cheng B, Wu B, Wang Z Y, Lin Q 2011 Chin. Phys. Lett. 28 053701
[13]	Adams C S, Sigel M, Mlynek J 1994 Phys. Rep. 240 143
[14]	Miffre A, Jacquey M, Buchner M, Trenec G, Vigue J 2006 Phys. Scr. 74 15
[15]	Metcalf H J, van der Straten P 1999 Laser Cooling and Trapping (New York: Springer-Verlag) p345
[16]	Chaudhuri S, Roy S, Unnikrishnan C S 2006 Phys. Rev. A 74 023406
[17]	Lindquist K, Stephens M, Wieman C 1992 Phys. Rev. A 46 4082
[18]	Catani J, Maioli P, De Sarlo L, Minardi F, Inguscio M 2006 Phys. Rev. A 73 033415
[19]	Schoser J, Batar A, Low R, Schweikhard V, Grabowski A, Ovchinnikov Yu B, Pfau T 2002 Phys. Rev. A 66 023410

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