21 October 1999 Parametric investigation of capillary discharge experiment for collisional excitation x-ray lasers
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Abstract
The dynamics of a capillary discharge experiment for collisional excitation x-ray laser in Ne-like Argon is investigated. Time resolved hard XUV radiation measurement (E > 80 eV) show fast rise time (approximately 5 ns) of the emitted radiation. The XUV radiation peak time, relative to the beginning of the current pulse, was measured for various initial Argon pressures and main current pulses. The measured data is in good agreement with our 1D-MHD code. XUV spectra from our fast capillary discharge indicate that high ionization stages of Ar ions are presented in the plasma (Ar6+ - Ar11+) and that the Ar ionization abundance can be controlled by the main current pulse magnitude. The measured lines intensifies as a function of the main current pulse amplitude indicates that 40 - 50 kA (t1/4 equals 51 ns) are needed for achieving maximum abundance of Ar(IX) in a 4 mm diameter Polyimid capillary with initial Ar pressure of 600 mT.
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Amit Ben-kish, Amit Ben-kish, Ron A. Nemirovsky, Ron A. Nemirovsky, Moshe Shuker, Moshe Shuker, Amnon Fisher, Amnon Fisher, Arza Ron, Arza Ron, Jean Louis Schwob, Jean Louis Schwob, } "Parametric investigation of capillary discharge experiment for collisional excitation x-ray lasers", Proc. SPIE 3776, Soft X-Ray Lasers and Applications III, (21 October 1999); doi: 10.1117/12.366666; https://doi.org/10.1117/12.366666
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