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Proceedings Paper

Parametric investigation of capillary discharge experiment for collisional excitation x-ray lasers
Author(s): Amit Ben-kish; Ron A. Nemirovsky; Moshe Shuker; Amnon Fisher; Arza Ron; Jean Louis Schwob
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Paper 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.

Paper Details

Date Published: 21 October 1999
PDF: 9 pages
Proc. SPIE 3776, Soft X-Ray Lasers and Applications III, (21 October 1999); doi: 10.1117/12.366666
Show Author Affiliations
Amit Ben-kish, Technion-Israel Institute of Technology (Israel)
Ron A. Nemirovsky, Technion-Israel Institute of Technology (Israel)
Moshe Shuker, Technion-Israel Institute of Technology (Israel)
Amnon Fisher, Technion-Israel Institute of Technology (Israel)
Arza Ron, Technion-Israel Institute of Technology (Israel)
Jean Louis Schwob, Hebrew Univ. of Jerusalem (Israel)

Published in SPIE Proceedings Vol. 3776:
Soft X-Ray Lasers and Applications III
Jorge J. G. Rocca; Luiz Barroca Da Silva, Editor(s)

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