Zeeman slowing and magneto-optically trapping of lithium atoms in atomic interferometry experiments

Yang Wei; Sun Da-Li; Zhou Lin; Wang Jin; Zhan Ming-Sheng

doi:10.7498/aps.63.153701

Abstract

To prepare cold lithium atoms for atomic interferometry experiments, we have carried out experimental researches on Zeeman deceleration and magneto-optical trap (MOT) of lithium atoms. We have also designed and implemented a compact adjustable Zeeman slower with an inner water cooling chamber, to decelerate the velocity of the 7Li atom beam from 600 m/s down to 60 m/s, and load them into the MOT. The loading rate is 5108 /s, the total trapped atom number is 1109 , and the lowest temperature of the atom cloud is 220 30 K. Then we investigate the dependence of lifetime of 7Li atoms in optical molasses on the detuning of trapping laser beams. The above results lay a foundation for further sub-Doppler cooling, optical trap based on evaporative cooling, and atomic interferometry experiments.

Keywords:

Authors and contacts

1.
State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
2.
University of Chinese Academy of Sciences, Beijing 100049, China;
3.
Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071, China
Funds: Project supported by the National Basic Research Program of China (Grant No. 2010CB832805), and the National Natural Science Foundation of China (Grant Nos. 11074281, 11227803).

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Cited By

[1]
[2]	Navon N, Piatecki S, Günter K, Rem B, Nguyen T C, Chevy F, Krauth W, Salomon C 2011 Phys. Rev. Lett. 107 135301
[3]	Nascimbène S, Navon N, Jiang K J, Chevy F, Salomon C 2010 Nature 463 1057
[4]
[5]	Bradley C C, Sackett C A, Hulet R G 1997 Phys. Rev. Lett. 78 985
[6]
[7]	Cetina M, Grier A T, and Vuleti V 2012 Phys. Rev. Lett. 109 253201
[8]
[9]
[10]	Lepoutre S, Gauguet A, Trénec G, Büchner M, Vigué J 2012 Phys. Rev. Lett. 109 120404
[11]
[12]	Cronin A D, Schmiedmayer J, Pritchard D E 2009 Rev. Mod. Phys. 81 1051
[13]	Delhuille R, Champenois C, Büchner M, Jozefowski L, Rizzo C, Trénec G, Vigué J 2002 Appl. Phys. B 74 489
[14]
[15]
[16]	Miffre A, Jacquey M, Büchner M, Trénec G, Vigué J 2006 Phys. Rev. A 73 011603
[17]
[18]	Jacquey M, Büchner M, Trénec G, Vigué J 2007 Phys. Rev. Lett. 98 240405
[19]	Hohensee M A, Müller H 2011 J. Mod. Opt. 58 2021
[20]
[21]
[22]	Hamilton P, Kim G, Ossiander M, Mukharjee B, Tiarks D, Müller H 2012 The 23rd International Conference on Atomic Physics Palaiseau, France, July 23-27, 2012 p283
[23]	Zhou L, Xiong Z Y, Yang W, Tang B, Peng W C, Hao K, Li R B, Liu M, Wang J, Zhan M S 2011 Gen. Relativ. Gravit. 43 1931
[24]
[25]	Phillips W D, Metcalf H 1982 Phys. Rev. Lett. 48 596
[26]
[27]
[28]	Bradley C C, Story J G, Tollett J J, Chen J, Ritchie N W M, Hulet R G 1992 Opt. Lett. 17 349
[29]	Tiecke T G, Gensemer S D, Ludewig A, Walraven J T M 2009 Phys. Rev. A 80 013409
[30]
[31]	Lin Z, Shimizu K, Zhan M S, Shimizu F, Takuma H 1991 Jap. J. App. Phys. 30 L1324
[32]
[33]
[34]	Okano M, Hara H, Muramatsu M, Doi K, Uetake S, Takasu Y, Takahashi Y 2010 Appl Phys B 98 691
[35]	Zhao P Y, Xiong Z X, Long Y, He L X, Lü B L 2009 Chin. Phys. Lett 26 083702
[36]
[37]	Wang S K, Wang Q, Lin Y G, Wang M M, Lin B K, Zang E J, Li T C, Fang Z J 2009 Chin. Phys. Lett 26 93202
[38]
[39]	Wang Q, Lin B K, Zhao Y, Li Y, Wang S K, Wang M M, Zang E J, Li T C, Fang Z J 2011 Chin. Phys. Lett. 28 03321
[40]
[41]
[42]	Tian X, Chang H, Wang X L, Zhang S G 2010 Acta Opt. Sin. 30 898 (in Chinese) [田晓, 常宏, 王心亮, 张首刚 2010 光学学报 30 898]
[43]
[44]	Schünemann U, Engler H, Zielonkowski M, Weidemüller M, and Grimm R 1998 Opt. Commun. 158 263
[45]
[46]	Mewes M, Ferrari G, Schreck F, Sinatra A, and Salomon C 1999 Phys. Rev. A 61 011403
[47]	Grier A T, Ferrier-Barbut I, Rem B S, Delehaye M, Khaykovich L, Chevy F, Salomon C 2013 Phys. Rev. A 87 063411
[48]
[49]	Hamilton P, Kim G, Joshi T, Mukherjee B, Tiarks D, Müller H 2014 Phys. Rev. A 89 023409
[50]
[51]
[52]	Zhang Y Y, Fang Z J, Zhang Z G 2010 Acta Opt. Sin. 30 935 (in Chinese) [张远洋, 方占军, 张志刚 2010 光学学报 30 935]
[53]	Wang X L, Ma Z, Wang J B, Tian X, Gao F, Zhang S G, Chang H 2011 Acta Sin. Quan. Opt. 17 124 (in Chinese) [王心亮, 马喆, 王靖斌, 田晓, 高峰, 张首刚, 常宏 2011 量子光学学报 17 124]
[54]
[55]
[56]	Savard T A 1998 Ph. D. Dissertation (Durhan: Duke University)
[57]	Xiong Z X, Long Y, Xiao H X, Zhang X, He L X, Lü B L 2011 Chin. Opt. Lett. 9 010201
[58]
[59]	Wang Y Q 2007 Laser cooling and trapping of atoms (Beijing: Peking University Press) p122 (in Chinese) [王义遒2007原子的激光冷却与陷俘(北京: 北京大学出版社)第122页]
[60]
[61]
[62]	Jiang K J, Li K, Wang J, Zhan M S 2006 Acta Phys. Sin. 55 125 (in Chinese) [江开军, 李可, 王谨, 詹明生 2006 物理学报 55 125]
[63]	Wang Y H, Yang H J, Zhang T C, Wang J M 2006 Acta Phys. Sin. 55 3403 (in Chinese) [王彦华, 杨海菁, 张天才, 王军民 2006 物理学报 55 3403]
[64]
[65]	Geng T, Yan S B, Wang Y H, Yang H J, Zhang T C, Wang J M 2005 Acta Phys. Sin. 54 5104 (in Chinese) [耿涛, 闫树斌, 王彦华, 杨海菁, 张天才, 王军民 2005 物理学报 54 5104]
[66]

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Vol. 63, Issue 15 - 2014-08-05

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