Abstract
The observation of current in the afterglow of the discharge ina pulsed hollow-cathode lamp illuminated by tunable lasers,combined with optogalvanic techniques, provides a simple andreliable tool for multi-step photoionization spectroscopystudies. A three-photon photoionization spectroscopy study wasperformed in a uranium hollow-cathode lamp, using thiscombination of techniques. Single-, double- and triple-frequencyphotoionization paths were identified for uranium, in the rangebetween 5900 and 6060 Å.
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More From: Journal of Physics B: Atomic, Molecular and Optical Physics
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