We have been pursuing an ultra-sensitive method for detecting and extracting hydrogen isotopes by utilizing a resonant ionization scheme via the 1S-2P-unbound transition. A time-of-flight measurement by the use of pulsed lasers coupled with mass separation enables us to distinguish hydrogen isotopes with a very low background. By preparing a new “Slow Ion Optics” to extract hydrogen isotope ions, the detection limit of the present method is improved to be much better than
- Pulsed lasers
- Time measurement
- Time of flight mass spectrometry
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