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Efficient generation of cold atoms towards a source for atom lithography

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Abstract

We report on the efficient generation of cold rubidium atoms as a potential coherent atom source for atom lithography. We successfully trapped and cooled 2.6 × 108 atoms in 5 s with a conventional magneto-optical trap simply by enlarging the diameter of the laser beam to 20 mm. The size of the laser-cooled atom cloud was measured to be 10 × 7 × 7 mm3. The number of trapped atoms was approximately 10 times as large as that of previous typical results, while the loading time of atoms remained the same.

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Authors and Affiliations

  1. National Institute of Information and Communications Technology, 588-2 Iwaoka, Kobe, 651-2492, Japan

    Masaharu Hyodo

  2. Department of Electronic Engineering, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo, 182-8585, Japan

    Masayoshi Watanabe

  3. Department of Physics, Faculty of Education, Saitama University, 255 Shimo-okubo, Saitama, 338-8570, Japan

    Ryuzo Ohmukai & Hitoshi Kondo

Authors
  1. Ryuzo Ohmukai
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  2. Masaharu Hyodo
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  3. Masayoshi Watanabe
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  4. Hitoshi Kondo
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Ohmukai, R., Hyodo, M., Watanabe, M. et al. Efficient generation of cold atoms towards a source for atom lithography. OPT REV 16, 11–14 (2009). https://doi.org/10.1007/s10043-009-0003-x

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  • DOI: https://doi.org/10.1007/s10043-009-0003-x

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