Title: Off-line studies of the laser ionization of yttrium at the IGISOL facility
Authors: Kessler, Thomas ×
Moore, Iain D.
Kudryavtsev, Yuri
Perajarvi, K
Popov, A
Ronkanen, P
Sonoda, Tetsu
Tordoff, Ben
Wendt, Klaus D.A.
Aysto, Juho #
Issue Date: 4-Feb-2008
Publisher: North-Holland Physics Pub.
Series Title: Nuclear Instruments & Methods in Physics Research B vol:266 issue:4 pages:681-700
Abstract: A laser ion source is under development at the IGISOL facility, Jyvaskyla, in order to address deficiencies in the ion guide technique. The key elements of interest are those of a refractory nature, whose isotopes and isomers are widely studied using both laser spectroscopic and high precision mass measurement techniques. Yttrium has been the first element of choice for the new laser ion source. In
this work, we present a new coupled dye–Ti:Sapphire laser scheme and give a detailed discussion of the results obtained from laser ionization of yttrium atoms produced in an ion guide via resistive heating of a filament. The importance of not only gas purity, but indeed the baseline vacuum pressure in the environment outside the ion guide is discussed in light of the fast gas phase chemistry seen in the yttrium system. A single laser shot model is introduced and is compared to the experimental data in order to extract the level of impurities within the gas cell.
ISSN: 0168-583X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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