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Simulations of one-dimensional transverse laser cooling of Cr atomic beam with Monte Carlo method

Zhang Bao-Wu Zhang Ping-Ping Ma Yan Li Tong-Bao

Simulations of one-dimensional transverse laser cooling of Cr atomic beam with Monte Carlo method

Zhang Bao-Wu, Zhang Ping-Ping, Ma Yan, Li Tong-Bao
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  • A well collimated atomic beam plays an important role in laser focused Cr atom deposition. The simulations of one-dimensional (1D) transverse laser cooling of Cr atomic beam is performed with the Monte Carlo method. Taking into account the stochastic initial conditions of each atom, isotopes other than 52Cr, longitudinal velocity distribution and transverse divergence, the atomic beam cooled by laser is optimized and evaluated. The obtained results are consistent with experimental. In addition, with picking out the trajectories of isotopes other than 52Cr that are not cooled by the laser the center maximum value can be reduced by 9.3%, and the FWHM is increased by 11% of the transverse distribution.
    • Funds:
    [1]

    McClelland J J, Anderson W R, Bradley C C, Walkiewicz M, Celotta R J 2003 J. Res. Natl. Inst. Stand. Technol 108 99

    [2]

    Li T B 2005 SMT 185 8 (in Chinese) [李同保 2005 上海计量测试 185 8]

    [3]

    Ma Y, Zhang B W, Zheng C L, Ma S S, Li F S, Wang Z S, Li T B 2007 Acta Phys. Sin. 56 1365 (in Chinese) [马 艳、张宝武、郑春兰、马珊珊、李佛生、王占山、李同保 2007 物理学报 56 1365]

    [4]

    Zhang W T, Zhu B H, Xiong X M 2009 Acta Phys. Sin. 58 8199 (in Chinese)[张文涛、朱宝华、熊显名 2009 物理学报 58 8199]

    [5]

    Lu X D, Li T B, Ma Y 2010 Chin. Phys. B 19 123201

    [6]

    Zheng C L, Li T B, Ma Y,Ma S S,Zhang B W 2006 Acta Phys. Sin. 55 4528 (in Chinese) [郑春兰、李同保、马 艳、马珊珊、张宝武 2006 物理学报 55 4528]

    [7]

    McClelland J J 1995 J. Opt. Soc. Am. B 12 1761

    [8]

    Ma Y, Zhang B W, Zheng C L, Ma S S, Li F S, Wang Z S, Li T B 2006 Acta Phys. Sin. 55 4086 (in Chinese)[马 艳、张宝武、郑春兰、马珊珊、李佛生、王占山、李同保 2006 物理学报 55 4086]

    [9]

    Scholten R E, Gupta R, McClelland J J, Celotta R J, Levenson M S, Vangel M G 1997 Phys. Rev. A 55 1331

    [10]

    Balykin V I, Letokhov V S, Minogin V G, Zuera T V 1984 Appl. Phys. B 35 149

    [11]

    Dalibard J, Salomon C, Aspect A, Arimondo E, Kaiser R, Vansteenkiste N, Cohen-Tannoudji C 1989 Atomic Physics (Singapore: World Scientific) 199

    [12]

    Sheehy B, Shang S Q, van der Straten P, Metcalf H 1990 Chem. Phys. 145 317

    [13]

    Ma H Y, Cheng H D, Zhang W Z, Liu L, Wang Y Z 2009 Acta Phys. Sin. 58 1569 (in Chinese)[马红玉、成华东、张文卓、刘 亮、王育竹 2009 物理学报 58 1569]

    [14]

    Bosch R C M 2002 Technische Universiteit Eindhoven

    [15]

    Wang Z S,Ma S S,Ma Y,Zhao M,Liu H B 2006 Optics and Precision Engineering 14 63 (in Chinese)[王占山、马珊珊、马 艳、赵 敏、刘恒彪 2006 光学精密工程 14 63]

    [16]

    Zhang B W, Zhang W T, Ma Y, Li T B 2008 Acta Phys. Sin. 57 5485 (in Chinese) [张宝武、张文涛、马 艳、李同保 2008 物理学报 57 5485]

    [17]

    Zhang B W, Li T B, Ma Y 2008 Chin. Opt. Lett. 6 782

    [18]

    Metcalf H J, Straten P 1999 Laser Cooling and Trapping (Berlin: Springer-Verlag), p88

  • [1]

    McClelland J J, Anderson W R, Bradley C C, Walkiewicz M, Celotta R J 2003 J. Res. Natl. Inst. Stand. Technol 108 99

    [2]

    Li T B 2005 SMT 185 8 (in Chinese) [李同保 2005 上海计量测试 185 8]

    [3]

    Ma Y, Zhang B W, Zheng C L, Ma S S, Li F S, Wang Z S, Li T B 2007 Acta Phys. Sin. 56 1365 (in Chinese) [马 艳、张宝武、郑春兰、马珊珊、李佛生、王占山、李同保 2007 物理学报 56 1365]

    [4]

    Zhang W T, Zhu B H, Xiong X M 2009 Acta Phys. Sin. 58 8199 (in Chinese)[张文涛、朱宝华、熊显名 2009 物理学报 58 8199]

    [5]

    Lu X D, Li T B, Ma Y 2010 Chin. Phys. B 19 123201

    [6]

    Zheng C L, Li T B, Ma Y,Ma S S,Zhang B W 2006 Acta Phys. Sin. 55 4528 (in Chinese) [郑春兰、李同保、马 艳、马珊珊、张宝武 2006 物理学报 55 4528]

    [7]

    McClelland J J 1995 J. Opt. Soc. Am. B 12 1761

    [8]

    Ma Y, Zhang B W, Zheng C L, Ma S S, Li F S, Wang Z S, Li T B 2006 Acta Phys. Sin. 55 4086 (in Chinese)[马 艳、张宝武、郑春兰、马珊珊、李佛生、王占山、李同保 2006 物理学报 55 4086]

    [9]

    Scholten R E, Gupta R, McClelland J J, Celotta R J, Levenson M S, Vangel M G 1997 Phys. Rev. A 55 1331

    [10]

    Balykin V I, Letokhov V S, Minogin V G, Zuera T V 1984 Appl. Phys. B 35 149

    [11]

    Dalibard J, Salomon C, Aspect A, Arimondo E, Kaiser R, Vansteenkiste N, Cohen-Tannoudji C 1989 Atomic Physics (Singapore: World Scientific) 199

    [12]

    Sheehy B, Shang S Q, van der Straten P, Metcalf H 1990 Chem. Phys. 145 317

    [13]

    Ma H Y, Cheng H D, Zhang W Z, Liu L, Wang Y Z 2009 Acta Phys. Sin. 58 1569 (in Chinese)[马红玉、成华东、张文卓、刘 亮、王育竹 2009 物理学报 58 1569]

    [14]

    Bosch R C M 2002 Technische Universiteit Eindhoven

    [15]

    Wang Z S,Ma S S,Ma Y,Zhao M,Liu H B 2006 Optics and Precision Engineering 14 63 (in Chinese)[王占山、马珊珊、马 艳、赵 敏、刘恒彪 2006 光学精密工程 14 63]

    [16]

    Zhang B W, Zhang W T, Ma Y, Li T B 2008 Acta Phys. Sin. 57 5485 (in Chinese) [张宝武、张文涛、马 艳、李同保 2008 物理学报 57 5485]

    [17]

    Zhang B W, Li T B, Ma Y 2008 Chin. Opt. Lett. 6 782

    [18]

    Metcalf H J, Straten P 1999 Laser Cooling and Trapping (Berlin: Springer-Verlag), p88

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  • Received Date:  23 February 2011
  • Accepted Date:  23 May 2011
  • Published Online:  15 November 2011

Simulations of one-dimensional transverse laser cooling of Cr atomic beam with Monte Carlo method

  • 1. China Jiliang University, Zhejiang 310018, China;
  • 2. State Key Laboratory of Precision Measurement Technology and Instruments,Tsinghua University 100084, China;
  • 3. Tongji University, Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, Shanghai 200092, China

Abstract: A well collimated atomic beam plays an important role in laser focused Cr atom deposition. The simulations of one-dimensional (1D) transverse laser cooling of Cr atomic beam is performed with the Monte Carlo method. Taking into account the stochastic initial conditions of each atom, isotopes other than 52Cr, longitudinal velocity distribution and transverse divergence, the atomic beam cooled by laser is optimized and evaluated. The obtained results are consistent with experimental. In addition, with picking out the trajectories of isotopes other than 52Cr that are not cooled by the laser the center maximum value can be reduced by 9.3%, and the FWHM is increased by 11% of the transverse distribution.

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