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Narrowband solid state vuv coherent source for laser cooling of antihydrogen

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Abstract

We describe the design and performance of a solid-state pulsed source of narrowband (< 100 MHz) Lyman-α radiation designed for the purpose of laser cooling magnetically trapped antihydrogen. Our source utilizes an injection seeded Ti:Sapphire amplifier cavity to generate intense radiation at 729.4 nm, which is then sent through a frequency doubling stage and a frequency tripling stage to generate 121.56 nm light. Although the pulse energy at 121.56 nm is currently limited to 12 nJ with a repetition rate of 10 Hz, we expect to obtain greater than 0.1 μJ per pulse at 10 Hz by further optimizing the alignment of the pulse amplifier and the efficiency of the frequency tripling stage. Such a power will be sufficient for cooling a trapped antihydrogen atom from 500 mK to 20mK.

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Authors and Affiliations

  1. TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, V6T 2A3, Canada

    J. Mario Michan & Makoto C. Fujiwara

  2. Department of Physics and Astronomy, The University of British Columbia, 6224 Agricultural Road, Vancouver, BC, V6T 1Z1, Canada

    Gene Polovy & Kirk W. Madison

  3. Department of Chemistry, Department of Physics and Astronomy, The University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1, Canada

    Takamasa Momose

Authors
  1. J. Mario Michan
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  2. Gene Polovy
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  3. Kirk W. Madison
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  4. Makoto C. Fujiwara
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  5. Takamasa Momose
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Correspondence to Takamasa Momose.

Additional information

Proceedings of the 6th International Conference on Trapped Charged Particles and Fundamental Physics (TCP 2014), Takamatsu, Japan, 1-5 December 2014

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Michan, J.M., Polovy, G., Madison, K.W. et al. Narrowband solid state vuv coherent source for laser cooling of antihydrogen. Hyperfine Interact 235, 29–36 (2015). https://doi.org/10.1007/s10751-015-1186-0

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  • DOI: https://doi.org/10.1007/s10751-015-1186-0

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