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Proceedings Paper

Sulfur capillary discharge irradiated by a picosecond-laser pulse: a new way toward tabletop x-ray laser
Author(s): Karol A. Janulewicz; Fulvia Bortolotto; P. J. Warwick; Mikhail P. Kalachnikov; Vyacheslav N. Shlyaptsev; Wolfgang Sandner; Jorge J. G. Rocca; Peter Viktor Nickles
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Paper Abstract

Results of measurements on a plasma created by a discharge in a sulfur capillary and irradiated by a picosecond laser pulse are presented. Time-resolved transmission measurements and the corresponding XUV spectra are discussed. It is found that the transmission of the laser through the capillary decreases abruptly after the peak of the discharge current, and that the profile of the output laser beam is symmetrized before the onset of the opaque period. The spectra are evidently affected by the laser pulse and show significant intensification on the 3p-3s transition in Ne-like sulfur at 60.84 nm. This observation, combined with the fact that the emission of this line appears spatially displaced from all other lines in the detector and presents a lower divergence, suggest that lasing is occurring.

Paper Details

Date Published: 21 October 1999
PDF: 8 pages
Proc. SPIE 3776, Soft X-Ray Lasers and Applications III, (21 October 1999); doi: 10.1117/12.366685
Show Author Affiliations
Karol A. Janulewicz, Max-Born-Institut (Germany)
Fulvia Bortolotto, Max-Born-Institut (Germany)
P. J. Warwick, Max-Born-Institut (Germany)
Mikhail P. Kalachnikov, Max-Born-Institut (Germany)
Vyacheslav N. Shlyaptsev, Lawrence Livermore National Lab. (United States)
Wolfgang Sandner, Max-Born-Institut (Germany)
Jorge J. G. Rocca, Colorado State Univ. (United States)
Peter Viktor Nickles, Max-Born-Institut (Germany)

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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