Performance of a high repetition pulse rate laser system for in-gas-jet laser ionization studies with the Leuven laser ion source @ LISOL

R. Ferrer; V. T. Sonnenschein; B. Bastin; S. Franchoo; M. Huyse; Yu Kudryavtsev; T. Kron; N. Lecesne; I. D. Moore; B. Osmond; D. Pauwels; D. Radulov; S. Raeder; L. Rens; M. Reponen; J. Roßnagel; H. Savajols; T. Sonoda; J. C. Thomas; P. Van Den Bergh; P. Van Duppen; K. Wendt; S. Zemlyanoy

doi:10.1016/j.nimb.2012.08.023

Performance of a high repetition pulse rate laser system for in-gas-jet laser ionization studies with the Leuven laser ion source @ LISOL

R. Ferrer, V. T. Sonnenschein, B. Bastin, S. Franchoo, M. Huyse, Yu Kudryavtsev, T. Kron, N. Lecesne, I. D. Moore, B. Osmond, D. Pauwels, D. Radulov, S. Raeder, L. Rens, M. Reponen, J. Roßnagel, H. Savajols, T. Sonoda, J. C. Thomas, P. Van Den BerghP. Van Duppen, K. Wendt, S. Zemlyanoy

Research output › peer-review

Abstract

The laser ionization efficiency of the Leuven gas cell-based laser ion source was investigated under on- and off-line conditions using two distinctly different laser setups: a low-repetition rate dye laser system and a high-repetition rate Ti:sapphire laser system. A systematic study of the ion signal dependence on repetition rate and laser pulse energy was performed in off-line tests using stable cobalt and copper isotopes. These studies also included in-gas-jet laser spectroscopy measurements on the hyperfine structure of ⁶³Cu. A final run under on-line conditions in which the radioactive isotope ⁵⁹Cu (T _1/2 = 81.5 s) was produced, showed a comparable yield of the two laser systems for in-gas-cell ionization. However, a significantly improved time overlap by using the high-repetition rate laser system for in-gas-jet ionization was demonstrated by an increase of the overall duty cycle, and at the same time, pointed to the need for a better shaped atomic jet to reach higher ionization efficiencies.

Original language	English
Pages (from-to)	29-37
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	291
DOIs	https://doi.org/10.1016/j.nimb.2012.08.023
State	Published - 15 Nov 2012

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nimb.2012.08.023

Cite this

Ferrer, R., Sonnenschein, V. T., Bastin, B., Franchoo, S., Huyse, M., Kudryavtsev, Y., Kron, T., Lecesne, N., Moore, I. D., Osmond, B., Pauwels, D., Radulov, D., Raeder, S., Rens, L., Reponen, M., Roßnagel, J., Savajols, H., Sonoda, T., Thomas, J. C., ... Zemlyanoy, S. (2012). Performance of a high repetition pulse rate laser system for in-gas-jet laser ionization studies with the Leuven laser ion source @ LISOL. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 291, 29-37. https://doi.org/10.1016/j.nimb.2012.08.023

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abstract = "The laser ionization efficiency of the Leuven gas cell-based laser ion source was investigated under on- and off-line conditions using two distinctly different laser setups: a low-repetition rate dye laser system and a high-repetition rate Ti:sapphire laser system. A systematic study of the ion signal dependence on repetition rate and laser pulse energy was performed in off-line tests using stable cobalt and copper isotopes. These studies also included in-gas-jet laser spectroscopy measurements on the hyperfine structure of 63Cu. A final run under on-line conditions in which the radioactive isotope 59Cu (T 1/2 = 81.5 s) was produced, showed a comparable yield of the two laser systems for in-gas-cell ionization. However, a significantly improved time overlap by using the high-repetition rate laser system for in-gas-jet ionization was demonstrated by an increase of the overall duty cycle, and at the same time, pointed to the need for a better shaped atomic jet to reach higher ionization efficiencies.",

keywords = "Gas cell, Gas jet, Laser ion source, Laser repetition rate, Resonance ionization",

author = "R. Ferrer and Sonnenschein, {V. T.} and B. Bastin and S. Franchoo and M. Huyse and Yu Kudryavtsev and T. Kron and N. Lecesne and Moore, {I. D.} and B. Osmond and D. Pauwels and D. Radulov and S. Raeder and L. Rens and M. Reponen and J. Ro{\ss}nagel and H. Savajols and T. Sonoda and Thomas, {J. C.} and {Van Den Bergh}, P. and {Van Duppen}, P. and K. Wendt and S. Zemlyanoy",

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Ferrer, R, Sonnenschein, VT, Bastin, B, Franchoo, S, Huyse, M, Kudryavtsev, Y, Kron, T, Lecesne, N, Moore, ID, Osmond, B, Pauwels, D, Radulov, D, Raeder, S, Rens, L, Reponen, M, Roßnagel, J, Savajols, H, Sonoda, T, Thomas, JC, Van Den Bergh, P, Van Duppen, P, Wendt, K & Zemlyanoy, S 2012, 'Performance of a high repetition pulse rate laser system for in-gas-jet laser ionization studies with the Leuven laser ion source @ LISOL', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 291, pp. 29-37. https://doi.org/10.1016/j.nimb.2012.08.023

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AU - Ferrer, R.

AU - Sonnenschein, V. T.

AU - Bastin, B.

AU - Franchoo, S.

AU - Huyse, M.

AU - Kudryavtsev, Yu

AU - Kron, T.

AU - Lecesne, N.

AU - Moore, I. D.

AU - Osmond, B.

AU - Pauwels, D.

AU - Radulov, D.

AU - Raeder, S.

AU - Rens, L.

AU - Reponen, M.

AU - Roßnagel, J.

AU - Savajols, H.

AU - Sonoda, T.

AU - Thomas, J. C.

AU - Van Den Bergh, P.

AU - Van Duppen, P.

AU - Wendt, K.

AU - Zemlyanoy, S.

N1 - Score=10

PY - 2012/11/15

Y1 - 2012/11/15

N2 - The laser ionization efficiency of the Leuven gas cell-based laser ion source was investigated under on- and off-line conditions using two distinctly different laser setups: a low-repetition rate dye laser system and a high-repetition rate Ti:sapphire laser system. A systematic study of the ion signal dependence on repetition rate and laser pulse energy was performed in off-line tests using stable cobalt and copper isotopes. These studies also included in-gas-jet laser spectroscopy measurements on the hyperfine structure of 63Cu. A final run under on-line conditions in which the radioactive isotope 59Cu (T 1/2 = 81.5 s) was produced, showed a comparable yield of the two laser systems for in-gas-cell ionization. However, a significantly improved time overlap by using the high-repetition rate laser system for in-gas-jet ionization was demonstrated by an increase of the overall duty cycle, and at the same time, pointed to the need for a better shaped atomic jet to reach higher ionization efficiencies.

AB - The laser ionization efficiency of the Leuven gas cell-based laser ion source was investigated under on- and off-line conditions using two distinctly different laser setups: a low-repetition rate dye laser system and a high-repetition rate Ti:sapphire laser system. A systematic study of the ion signal dependence on repetition rate and laser pulse energy was performed in off-line tests using stable cobalt and copper isotopes. These studies also included in-gas-jet laser spectroscopy measurements on the hyperfine structure of 63Cu. A final run under on-line conditions in which the radioactive isotope 59Cu (T 1/2 = 81.5 s) was produced, showed a comparable yield of the two laser systems for in-gas-cell ionization. However, a significantly improved time overlap by using the high-repetition rate laser system for in-gas-jet ionization was demonstrated by an increase of the overall duty cycle, and at the same time, pointed to the need for a better shaped atomic jet to reach higher ionization efficiencies.

KW - Gas cell

KW - Gas jet

KW - Laser ion source

KW - Laser repetition rate

KW - Resonance ionization

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Ferrer R, Sonnenschein VT, Bastin B, Franchoo S, Huyse M, Kudryavtsev Y et al. Performance of a high repetition pulse rate laser system for in-gas-jet laser ionization studies with the Leuven laser ion source @ LISOL. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2012 Nov 15;291:29-37. doi: 10.1016/j.nimb.2012.08.023