Abstract
Spatial and temporal gain profiles as well as the peak net gain at 193 nm have been measured in X-ray preionized discharges excited by a single pulse electrical system working in the charge transfer mode. Ar- and F2-containing laser gas mixtures with He or Ne as a buffer gas have been used. With a pumping pulse duration of ∼ 100 ns (FWHM) and a specific peak power deposition of ∼ 1 MW cm-3 bar-1 in a gas mixture containing F2 : Ar : He (0.1%:5%:94.9%), at 2 bar total pressure, a very high peak net gain coefficient of ∼ 30% cm-1 was measured in the gas discharge. The FWHM of the gain waveform was ∼ 60 ns.
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42.55.Lt; 42.60.Lh; 52.80.-s
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Azarov, A., Peters, P. & Boller, KJ. Laser gain measurements at 193 nm in a small discharge cell containing ArF excimer laser gas mixtures. Appl. Phys. B 90, 455–460 (2008). https://doi.org/10.1007/s00340-007-2854-9
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DOI: https://doi.org/10.1007/s00340-007-2854-9