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Investigations of a two-level atom in a magneto-optical trap using magnesium

Journal of Optics B: Quantum and Semiclassical Optics, ISSN: 1464-4266, Vol: 6, Issue: 1, Page: 81-85
2004
  • 26
    Citations
  • 0
    Usage
  • 32
    Captures
  • 0
    Mentions
  • 0
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    26
    • Citation Indexes
      26
  • Captures
    32

Article Description

Magnesium atoms are cooled in a magneto-optical trap (MOT) using the 3sS → 3s3p P resonance transition. Magnesium is a simple atom which offers a unique possibility for comparison to the Doppler theory of laser cooling. We measure trap parameters as a function of laser-intensity, -detuning and magnetic field gradient. We find the main features well accounted for by Doppler theory, but temperature measurements gave significant higher values than predicted by the Doppler theory. We also observe radiation pressure effects within the MOT that limit the maximum achievable density. Comparing our results to predictions by models in the literature shows a good agreement. Recently we have improved our set-up and now trap about 150 × 10 atoms.

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