Laser ion source tests at the HRIBF on stable Sn, Ge and Ni isotopes

Y. Liu; C. Baktash; J. R. Beene; H. Z. Bilheux; C. C. Havener; H. F. Krause; D. R. Schultz; D. W. Stracener; C. R. Vane; K. Brück; Ch Geppert; T. Kessler; K. Wendt

doi:10.1016/j.nimb.2005.09.014

Laser ion source tests at the HRIBF on stable Sn, Ge and Ni isotopes

Y. Liu, C. Baktash, J. R. Beene, H. Z. Bilheux, C. C. Havener, H. F. Krause, D. R. Schultz, D. W. Stracener, C. R. Vane, K. Brück, Ch Geppert, T. Kessler, K. Wendt

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43 Scopus citations

Abstract

As one step in the ion source development for the Rare Isotope Accelerator, a hot-cavity laser ion source using an all-solid-state titanium-sapphire laser system has been tested at the Holifield Radioactive Ion Beam Facility. Resonance ionization of stable isotopes of Sn, Ge and Ni has been studied in a Ta hot cavity. Efficient three step resonant ionization schemes applying frequency tripling for the first excitation step and using auto-ionizing or atomic Rydberg states in the ionizing step have been identified for all three elements, resulting in laser ion beams of typically around 100 nA. By saturating most of the optical excitation steps involved, ionization efficiencies of 22%, 3.3% and 2.7% have been measured for Sn, Ge and Ni, respectively.

Original language	English
Pages (from-to)	442-452
Number of pages	11
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	243
Issue number	2
DOIs	https://doi.org/10.1016/j.nimb.2005.09.014
State	Published - Feb 2006

Funding

This research has been sponsored by the US Department of Energy, under contract DE-AC05-00OR22725 with UT-Battelle, LLC, as well as by the German Bundesministerium fuer Bildung und Forschung under contract 06Mz197.

Keywords

Laser ion source
Radioactive ion beams
Rare Isotope Accelerator
Resonance ionization
Titanium sapphire laser

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10.1016/j.nimb.2005.09.014

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Liu, Y., Baktash, C., Beene, J. R., Bilheux, H. Z., Havener, C. C., Krause, H. F., Schultz, D. R., Stracener, D. W., Vane, C. R., Brück, K., Geppert, C., Kessler, T., & Wendt, K. (2006). Laser ion source tests at the HRIBF on stable Sn, Ge and Ni isotopes. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 243(2), 442-452. https://doi.org/10.1016/j.nimb.2005.09.014

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abstract = "As one step in the ion source development for the Rare Isotope Accelerator, a hot-cavity laser ion source using an all-solid-state titanium-sapphire laser system has been tested at the Holifield Radioactive Ion Beam Facility. Resonance ionization of stable isotopes of Sn, Ge and Ni has been studied in a Ta hot cavity. Efficient three step resonant ionization schemes applying frequency tripling for the first excitation step and using auto-ionizing or atomic Rydberg states in the ionizing step have been identified for all three elements, resulting in laser ion beams of typically around 100 nA. By saturating most of the optical excitation steps involved, ionization efficiencies of 22%, 3.3% and 2.7% have been measured for Sn, Ge and Ni, respectively.",

keywords = "Laser ion source, Radioactive ion beams, Rare Isotope Accelerator, Resonance ionization, Titanium sapphire laser",

author = "Y. Liu and C. Baktash and Beene, {J. R.} and Bilheux, {H. Z.} and Havener, {C. C.} and Krause, {H. F.} and Schultz, {D. R.} and Stracener, {D. W.} and Vane, {C. R.} and K. Br{\"u}ck and Ch Geppert and T. Kessler and K. Wendt",

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Liu, Y, Baktash, C, Beene, JR, Bilheux, HZ, Havener, CC, Krause, HF, Schultz, DR, Stracener, DW, Vane, CR, Brück, K, Geppert, C, Kessler, T & Wendt, K 2006, 'Laser ion source tests at the HRIBF on stable Sn, Ge and Ni isotopes', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 243, no. 2, pp. 442-452. https://doi.org/10.1016/j.nimb.2005.09.014

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AU - Liu, Y.

AU - Baktash, C.

AU - Beene, J. R.

AU - Bilheux, H. Z.

AU - Havener, C. C.

AU - Krause, H. F.

AU - Schultz, D. R.

AU - Stracener, D. W.

AU - Vane, C. R.

AU - Brück, K.

AU - Geppert, Ch

AU - Kessler, T.

AU - Wendt, K.

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N2 - As one step in the ion source development for the Rare Isotope Accelerator, a hot-cavity laser ion source using an all-solid-state titanium-sapphire laser system has been tested at the Holifield Radioactive Ion Beam Facility. Resonance ionization of stable isotopes of Sn, Ge and Ni has been studied in a Ta hot cavity. Efficient three step resonant ionization schemes applying frequency tripling for the first excitation step and using auto-ionizing or atomic Rydberg states in the ionizing step have been identified for all three elements, resulting in laser ion beams of typically around 100 nA. By saturating most of the optical excitation steps involved, ionization efficiencies of 22%, 3.3% and 2.7% have been measured for Sn, Ge and Ni, respectively.

AB - As one step in the ion source development for the Rare Isotope Accelerator, a hot-cavity laser ion source using an all-solid-state titanium-sapphire laser system has been tested at the Holifield Radioactive Ion Beam Facility. Resonance ionization of stable isotopes of Sn, Ge and Ni has been studied in a Ta hot cavity. Efficient three step resonant ionization schemes applying frequency tripling for the first excitation step and using auto-ionizing or atomic Rydberg states in the ionizing step have been identified for all three elements, resulting in laser ion beams of typically around 100 nA. By saturating most of the optical excitation steps involved, ionization efficiencies of 22%, 3.3% and 2.7% have been measured for Sn, Ge and Ni, respectively.

KW - Laser ion source

KW - Radioactive ion beams

KW - Rare Isotope Accelerator

KW - Resonance ionization

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ER -

Laser ion source tests at the HRIBF on stable Sn, Ge and Ni isotopes

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