Applied Physics B

, Volume 92, Issue 1, pp 33–35 | Cite as

High power narrow linewidth laser at 556 nm for magneto-optical trapping of ytterbium

  • S. Uetake
  • A. Yamaguchi
  • S. Kato
  • Y. Takahashi
Article

Abstract

We present a high-power and narrow-linewidth laser for intercombination magneto-optical trapping of ytterbium (Yb) atoms using the 6s21S0–6s6p 3P1 transition. The system generates 415 mW of continuous wave laser radiation at 556 nm with a linewidth of less than 100 kHz. It is based on a commercial 1 W fiber laser with a frequency doubling stage. Up to 58% frequency doubling efficiency is obtained at an input power of 0.5 W by using a lithium triborate crystal as a nonlinear medium. The system has been successfully used for laser cooling of Yb atoms.

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  • S. Uetake
    • 1
  • A. Yamaguchi
    • 2
  • S. Kato
    • 2
  • Y. Takahashi
    • 1
    • 2
  1. 1.CREST, Japan Science and Technology AgencySaitamaJapan
  2. 2.Department of Physics, Graduate School of ScienceKyoto UniversityKyotoJapan

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