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飞行时间质谱探测磁光阱中超冷分子离子的实验研究

元晋鹏 姬中华 杨艳 张洪山 赵延霆 马杰 汪丽蓉 肖连团 贾锁堂

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飞行时间质谱探测磁光阱中超冷分子离子的实验研究

元晋鹏, 姬中华, 杨艳, 张洪山, 赵延霆, 马杰, 汪丽蓉, 肖连团, 贾锁堂

Experimental investigation on ionized ultracold molecules formed in a magneto-optical trap by time-of-flight mass spectroscopy

Yuan Jin-Peng, Ji Zhong-Hua, Yang Yan, Zhang Hong-Shan, Zhao Yan-Ting, Ma Jie, Wang Li-Rong, Xiao Lian-Tuan, Jia Suo-Tang
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  • 利用飞行时间质谱探测了由磁光阱中的俘获光和 再泵浦光光缔合作用形成的超冷基态铯分子, 研究了微通道板工作电压、加速电场强度和加速电场持续时间对铯分子离子信号强度的影响. 实验结果与理论模型的拟合一致; 获得了适合实验条件的最优化实验参数, 为进一步研究超冷分子的光缔合光谱和光电离光谱奠定了实验基础.
    We use time-of-flight mass spectroscopy to detect the ultracold ground state Cs2 molecules formed directly by a photoassociation due to the trapping laser beams and repumping laser beam in a magneto-optical trap. We investigate the dependences of the Cs2+ intensity on operating voltage of micro-channel-plate, accelerating field intensity and duration time of the accelerating field. The experimental results are consistent with theoretical fitting. We obtain the best optimal parameters suited to our experimental condition, which is important for the future experiment on ultracold molecule photoassociation and photoionization spectroscopy.
    • 基金项目: 国家重点基础研究发展计划(批准号: 2012CB921603);国家自然科学基金重点项目(批准号: 10934004);国家自然科学基金(批准号: 60808009, 60978018, 60978001, 61008012, 11174187, 11004125)和国家自然科学基金创新群体科学基金(批准号: 61121064)资助的课题.
    • Funds: Project supported by the National Basic Research Program of China (Grant No. 2012CB921603), Key Program of the National Natural Science Foundation of China (Grant No. 10934004), National Natural Science Foundation of China (Grant Nos. 60808009, 60978018, 60978001, 61008012, 11174187, 11004125) and Science Fund for Creative Research Groups of the National Natural Science Foundation of China (Grant No. 61121064).
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    Weber T, Herbig J, Mark M, Nägerl H C, Grimm R 2003 Science 299 232

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    Holland M, Burnett K, Gardiner C, Cirac J I, Zoller P 1996 Phys. Rev. A 54 1757

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    Ospelkaus, Ni K K, Wang D, de Miranda M H G, Neyenhuis B, Quemener G, Julienne P S, Bohn J L, Jin D S, Ye J 2010 Science 327 853

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    DeMille D 2002 Phys. Rev. Lett. 88 067901

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    Inbar E, Mahal V, Arie A 1996 J. Opt. Soc. Am. B 13 1598

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    Chapman M S, Ekstrom C R, Hammond T D, Rubenstein R A, Schmiedmayer J, Wehinger S, Pritchard D E 1995 Phys. Rev. Lett. 74 4783

    [9]

    Bahns J T, Stwalley W C, Gould P L 1996 J. Chem. Phys. 104 9689

    [10]

    Shuman E S, Barry J F, DeMille D 2010 Nature 467 820

    [11]

    Doyle J M, Friedrich B, Kim J, Patterson D 1995 Phys. Rev. A 52 2515

    [12]

    Bethlem H L, Berden G, Crompvoets F M H, Jongma R T, van Roij A J A, Meijer G 2000 Nature 406 491

    [13]

    Chin C, Kerman A J, Vuletić V, Chu S 2003 Phys. Rev. Lett. 90 033201

    [14]

    Jones K M, Tiesinga E, Lett P D, Julienne P S 2006 Rev. Mod. Phys. 78 483

    [15]

    Stwalley W C, Wang H 1999 J. Mol. Spectrosc. 195 194

    [16]

    Fioretti A, Comparat D, Crubellier A, Dulieu O, Seeuws F M, Pillet P 1998 Phys. Rev. Lett. 80 4402

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    Lett P D, Helmerson K, Phillips W D, Ratliff L P, Rolston S L, Wagshul M E 1993 Phys. Rev. Lett. 71 2200

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    Miller J D, Cline R A, Heinzen D J 1993 Phys. Rev. Lett. 71 2204

    [19]

    Wang H, Gould P J, Stwalley W C 1996 Phys. Rev. A 53 1216

    [20]

    Abraham E R I, Ritchie N W M, McAlexander W I, Hulet R G 1995 J. Chem. Phys. 103 7773

    [21]

    Wang L R, Ma J, Zhang L J, Xiao L T, Jia S T 2007 Acta Phys. Sin. 56 6373 (in Chinese) [汪丽蓉, 马杰, 张临杰, 肖连团, 贾锁堂 2007 物理学报 56 6373]

    [22]

    Wang H, Gould P L, Stwalley W C 1998 Phys. Rev. Lett. 80 476

    [23]

    Ji Z H, Wu J Z, Ma J, Feng Z G, Zhang L J, Zhao Y T, Wang L R, Xiao L T, Jia S T 2010 Chin. Phys. Lett. 27 053701

    [24]

    Caires A R L, Nascimento V A, Rezende D C J, Bagnato V S, Marcassa L G 2005 Phys. Rev. A 71 043403

    [25]

    Gen T, Yan S B, Wang Y H, Yang H Q, 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)

    [26]

    Chen Y Q, Yang X D 2005 Laser Spectroscopy Measurement Techniques (Shanghai: East China Normal University Press) p23 (in Chinese) [陈扬骎, 杨晓东 2005 激光光谱测量技术 (上海: 华东师范大学出版社) 第23页]

    [27]

    Pan J S 2004 J. Appl. Opt. 25 25 (in Chinese) [潘京生 2004 应用光学 25 25]

    [28]

    Wiza J L 1979 Nucl. Instrum. Methods 162 587

    [29]

    Wang C J, Wu H B, Zhang J S, Fang L J 1992 J. Appl. Opt. 13 30 (in Chinese) [王长骏, 吴洪兵, 张继胜, 房利君 1992 应用光学 13 30]

    [30]

    Bo C W 2005 M. D. Dissertation (Jilin: Changchun University of Science and Technology) (in Chinese) [薄春卫 2005 硕士学位论文 (吉林: 长春理工大学)]

    [31]

    Kraft S D, Mikosch J, Staanum P, Deiglmayr J, Lange J, Fioretti A, Wester R, Weidemüller M 2007 Appl. Phys. B 89 453]

  • [1]

    Bize S, Laurent P, Abgrall M, Marion H, Maksimovic I, Cacciapuoti L, Grünert J, Vian C, Pereira dos Santos F, Rosenbusch P, Lemonde P, Santarelli G, Wolf P, Clairon A, Luiten A, Tobar M, Salomon C 2005 J. Phys. B: At. Mol. Opt. Phys. 38 449

    [2]

    Shin Y, Saba M, Pasquini T A, Ketterle W, Pritchard D E, Leanhardt A E 2004 Phys. Rev. Lett. 92 050405

    [3]

    Weber T, Herbig J, Mark M, Nägerl H C, Grimm R 2003 Science 299 232

    [4]

    Holland M, Burnett K, Gardiner C, Cirac J I, Zoller P 1996 Phys. Rev. A 54 1757

    [5]

    Ospelkaus, Ni K K, Wang D, de Miranda M H G, Neyenhuis B, Quemener G, Julienne P S, Bohn J L, Jin D S, Ye J 2010 Science 327 853

    [6]

    DeMille D 2002 Phys. Rev. Lett. 88 067901

    [7]

    Inbar E, Mahal V, Arie A 1996 J. Opt. Soc. Am. B 13 1598

    [8]

    Chapman M S, Ekstrom C R, Hammond T D, Rubenstein R A, Schmiedmayer J, Wehinger S, Pritchard D E 1995 Phys. Rev. Lett. 74 4783

    [9]

    Bahns J T, Stwalley W C, Gould P L 1996 J. Chem. Phys. 104 9689

    [10]

    Shuman E S, Barry J F, DeMille D 2010 Nature 467 820

    [11]

    Doyle J M, Friedrich B, Kim J, Patterson D 1995 Phys. Rev. A 52 2515

    [12]

    Bethlem H L, Berden G, Crompvoets F M H, Jongma R T, van Roij A J A, Meijer G 2000 Nature 406 491

    [13]

    Chin C, Kerman A J, Vuletić V, Chu S 2003 Phys. Rev. Lett. 90 033201

    [14]

    Jones K M, Tiesinga E, Lett P D, Julienne P S 2006 Rev. Mod. Phys. 78 483

    [15]

    Stwalley W C, Wang H 1999 J. Mol. Spectrosc. 195 194

    [16]

    Fioretti A, Comparat D, Crubellier A, Dulieu O, Seeuws F M, Pillet P 1998 Phys. Rev. Lett. 80 4402

    [17]

    Lett P D, Helmerson K, Phillips W D, Ratliff L P, Rolston S L, Wagshul M E 1993 Phys. Rev. Lett. 71 2200

    [18]

    Miller J D, Cline R A, Heinzen D J 1993 Phys. Rev. Lett. 71 2204

    [19]

    Wang H, Gould P J, Stwalley W C 1996 Phys. Rev. A 53 1216

    [20]

    Abraham E R I, Ritchie N W M, McAlexander W I, Hulet R G 1995 J. Chem. Phys. 103 7773

    [21]

    Wang L R, Ma J, Zhang L J, Xiao L T, Jia S T 2007 Acta Phys. Sin. 56 6373 (in Chinese) [汪丽蓉, 马杰, 张临杰, 肖连团, 贾锁堂 2007 物理学报 56 6373]

    [22]

    Wang H, Gould P L, Stwalley W C 1998 Phys. Rev. Lett. 80 476

    [23]

    Ji Z H, Wu J Z, Ma J, Feng Z G, Zhang L J, Zhao Y T, Wang L R, Xiao L T, Jia S T 2010 Chin. Phys. Lett. 27 053701

    [24]

    Caires A R L, Nascimento V A, Rezende D C J, Bagnato V S, Marcassa L G 2005 Phys. Rev. A 71 043403

    [25]

    Gen T, Yan S B, Wang Y H, Yang H Q, 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)

    [26]

    Chen Y Q, Yang X D 2005 Laser Spectroscopy Measurement Techniques (Shanghai: East China Normal University Press) p23 (in Chinese) [陈扬骎, 杨晓东 2005 激光光谱测量技术 (上海: 华东师范大学出版社) 第23页]

    [27]

    Pan J S 2004 J. Appl. Opt. 25 25 (in Chinese) [潘京生 2004 应用光学 25 25]

    [28]

    Wiza J L 1979 Nucl. Instrum. Methods 162 587

    [29]

    Wang C J, Wu H B, Zhang J S, Fang L J 1992 J. Appl. Opt. 13 30 (in Chinese) [王长骏, 吴洪兵, 张继胜, 房利君 1992 应用光学 13 30]

    [30]

    Bo C W 2005 M. D. Dissertation (Jilin: Changchun University of Science and Technology) (in Chinese) [薄春卫 2005 硕士学位论文 (吉林: 长春理工大学)]

    [31]

    Kraft S D, Mikosch J, Staanum P, Deiglmayr J, Lange J, Fioretti A, Wester R, Weidemüller M 2007 Appl. Phys. B 89 453]

计量
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  • 被引次数: 0
出版历程
  • 收稿日期:  2012-01-04
  • 修回日期:  2012-03-06
  • 刊出日期:  2012-09-05

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