Ultra‐Sensitive Collinear Fast Ion Beam Trace Detection of
- Conference date: 6–10 October 2008
- Location: Nagoya (Japan)
A novel scheme of collinear fast beam laser spectroscopy for the detection of the long lived rare isotope by observing the optical hyperfine structure spectrum is presented. The technique utilizes cascade two‐step excitation to pump metastable krypton atoms to a high‐lying Rydberg level. The present work on krypton was motivated by the fact that is a major tracer gas for exploring the reservoir structure of large oil fields. detection in ambient air is also of importance for monitoring nuclear activities on a world wide scale. The technique has been successfully applied to stable krypton isotopes and to The selectivity is at the one part in level and the sensitivity at a few hundred ions/s.
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