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- Title
Heavy-ion beam-pumped lasers: Optical gain on the 476.5-nm Ar II transition.
- Authors
Wieser, J.; Ulrich, A.; Busch, B.; Gernhäuser, R.; Krötz, W.; Ribitzki, G.; Salvermoser, M.; Murnick, D.E.
- 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.
- Publication
Laser & Particle Beams, 1993, Vol 11, Issue 3, p529
- ISSN
0263-0346
- Publication type
Article
- DOI
10.1017/S0263034600005188