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Proceedings Paper

Lawrence Livermore National Laboratory X-Ray Laser Research: Recent Results
Author(s): B. J. MacGowan; S. Brown; E. M. Campbell; M. Eckart; P. Hagelstein; C. Keane; R. London; D. Matthews; D. Nilson; T. Phillips; M. Rosen; J. Scofield; G. Shimkaveg; A. Simon; R. Stewart; J. Trebes; D. Whelan; B. Whitten; J. Woodworth
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Paper Abstract

Since the successful demonstration of gain in neon-like selenium using an exploding foil amplifier, the x-ray laser group at Lawrence Livermore National Laboratory has investigated further the exploding foil amplifier concept for use in XUV lasers. Results are reported of the characteristics of selenium amplifiers up to 50 mm in length. Observation of at least 16 gain lengths for the 206 Å line of selenium is reported. Output powers in excess of 1 MW have been measured in pulses of approximately 200 picoseconds. The effects of refraction on the performance of long amplifiers have been studied. The occurrence time of the x-ray laser output relative to the input heating pulse has been measured and found to be in disagreement with a recent model that suggests three-body recombination driven by rapid radiative cooling as the inversion process in the selenium plasma.

Paper Details

Date Published: 9 April 1987
PDF: 8 pages
Proc. SPIE 0688, Multilayer Structures & Laboratory X-Ray Laser Research, (9 April 1987); doi: 10.1117/12.964818
Show Author Affiliations
B. J. MacGowan, Lawrence Livermore National Laboratory (United States)
S. Brown, Lawrence Livermore National Laboratory (United States)
E. M. Campbell, Lawrence Livermore National Laboratory (United States)
M. Eckart, Lawrence Livermore National Laboratory (United States)
P. Hagelstein, Lawrence Livermore National Laboratory (United States)
C. Keane, Lawrence Livermore National Laboratory (United States)
R. London, Lawrence Livermore National Laboratory (United States)
D. Matthews, Lawrence Livermore National Laboratory (United States)
D. Nilson, Lawrence Livermore National Laboratory (United States)
T. Phillips, Lawrence Livermore National Laboratory (United States)
M. Rosen, Lawrence Livermore National Laboratory (United States)
J. Scofield, Lawrence Livermore National Laboratory (United States)
G. Shimkaveg, Lawrence Livermore National Laboratory (United States)
A. Simon, Lawrence Livermore National Laboratory (United States)
R. Stewart, Lawrence Livermore National Laboratory (United States)
J. Trebes, Lawrence Livermore National Laboratory (United States)
D. Whelan, Lawrence Livermore National Laboratory (United States)
B. Whitten, Lawrence Livermore National Laboratory (United States)
J. Woodworth, Lawrence Livermore National Laboratory (United States)


Published in SPIE Proceedings Vol. 0688:
Multilayer Structures & Laboratory X-Ray Laser Research
Natale M. Ceglio; Pierre Dhez, Editor(s)

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