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Heavy-ion beam-pumped lasers: Optical gain on the 476.5-nm Ar II transition

Published online by Cambridge University Press:  09 March 2009

J. Wieser ,
A. Ulrich ,
B. Busch ,
R. Gernhäuser ,
W. Krötz ,
G. Ribitzki ,
M. Salvermoser  and
D.E. Murnick
J. Wieser
Affiliation:
Fakultät für Physik, E12, Technische Universität München, James Franck Str.1, D-85747 Garching, Germany
A. Ulrich
Affiliation:
Fakultät für Physik, E12, Technische Universität München, James Franck Str.1, D-85747 Garching, Germany
B. Busch
Affiliation:
Fakultät für Physik, E12, Technische Universität München, James Franck Str.1, D-85747 Garching, Germany
R. Gernhäuser
Affiliation:
Fakultät für Physik, E12, Technische Universität München, James Franck Str.1, D-85747 Garching, Germany
W. Krötz
Affiliation:
Fakultät für Physik, E12, Technische Universität München, James Franck Str.1, D-85747 Garching, Germany
G. Ribitzki
Affiliation:
Fakultät für Physik, E12, Technische Universität München, James Franck Str.1, D-85747 Garching, Germany
M. Salvermoser
Affiliation:
Fakultät für Physik, E12, Technische Universität München, James Franck Str.1, D-85747 Garching, Germany
D.E. Murnick
Affiliation:
Department of Physics, Rutgers University, Newark, NJ 07102
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Abstract

The possibility of heavy-ion beam-pumped ion lasers is demonstrated by observation of optical gain on the 476.5-nm Ar II 4p–4s ion laser transition in argon gas excited by 2.5–ns pulses of 110–MeV 32S ions with repetition rates up to 156 kHz. The particle energy per pulse was about 20 μJ. The projectiles were stopped in the target at pressures between 5 and 35 kPa. The beam from an argon ion probe laser operated at 476.5 nm was used to determine gain amplitude and time structure from a measured transient increase of the probe laser intensity when target excitation by the ion beam was present. The maximum gain observed was (0.5 ± 0.1) x 10-3 at a target gas pressure of 5 kPa. The optical gain observed in argon is consistent with calculations based upon an analysis of spectroscopic studies of rare gas targets excited by heavy-ion beams.

Type
Research Article
Information
Laser and Particle Beams , Volume 11 , Issue 3 , September 1993 , pp. 529 - 535
Copyright
Copyright © Cambridge University Press 1993

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References

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