Laser Cooling of a Helium Atomic Beam

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概要

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• The laser cooling of a helium atomic beam in the 2s^3S_1 metastable state has been demonstrated. Using a single-mode LNA (La_<1-x>Nd_xMgAl_<11>O_<19>) laser resonant with the 2s^3S_1-2p^3P_2 transition, the metastable atoms are cooled by the Doppler cooling method combined with the Zeeman-tuning technique. To monitor the velocity distribution, the Doppler profile of the 2p^3P_2-3d^3D_3 transition is observed. As a result, the most probable velocity of the metastable helium atoms, which is initially 750 m/s, is decelerated to 90 m/s.

• 社団法人応用物理学会の論文
• 1991-09-15

著者

• Morita Norio

  Institute For Molecular Science

• KUMAKURA Mitsutaka

  Institute for Molecular Science

関連論文

• Laser Cooling of a Helium Atomic Beam
• Visible Observation of Metastable Helium Atoms Confined in an Infrared/Visible Double Resonance Trap

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