Title: The in-gas-jet laser ion source: Resonance ionization spectroscopy of radioactive atoms in supersonic gas jets
Authors: Kudryavtsev, Yuri ×
Ferrer Garcia, Rafael
Huyse, Mark
Van den Bergh, Paul
Van Duppen, Piet #
Issue Date: 15-Feb-2013
Publisher: Elsevier
Series Title: Nuclear Instruments & Methods in Physics Research B vol:297 pages:7-22
Abstract: New approaches to perform efficient and selective step-wise resonance ionization spectroscopy (RIS) of radioactive atoms in different types of supersonic gas jets are proposed. This novel application results in a major expansion of the in-gas laser ionization and spectroscopy (IGLIS) method developed at KU Leuven. Implementation of resonance ionization in the supersonic gas jet allows to increase the spectral resolution by one order of magnitude in comparison with the currently performed in-gas-cell ionization spectroscopy. Properties of supersonic beams, obtained from the de Laval-, the spike-, and the free jet
nozzles that are important for the reduction of the spectral line broadening mechanisms in cold and low density environments are discussed. Requirements for the laser radiation and for the vacuum pumping system are also examined. Finally, first results of high-resolution spectroscopy in the supersonic free jet are presented for the 327.4 nm 3d104s 2S1/2 -> 3d104p 2P1/2 transition in the stable 63Cu isotope using an amplified single mode laser radiation.
Description: Happy new year also!H
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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