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Proceedings Paper

Spatially Resolved X-Ray Laser Spectra And Demonstration Of Gain In Nickel-Like Systems
Author(s): D. A. Whelan; C. J. Keane; B. J. MacGowar; D. L. Matthews; J. E. Trebes; M. J. Eckart
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Paper Abstract

A recent series of experiments have provided spatially resolved near field images of several candidate x-ray lasing transition in neon-like, nickel-like, and hydrogen-like ions from laser-produced plasmas. From these time-gated, spatially, and spectrally re-solved measurements the source size for the J=0-1 and the J=2-1 transitions in Ne-like selenium have been determined. Source regions as small as 50 pm have been observed on transitions with gain-length products >9. In addition, we have obtained the first experimental evidence for the amplification of spontaneous emission in the nickel-like ions of europium and ytterbium. Gains of order 1 cm-1 I,dnd gain-length products of up to 3.8 are observed on the J=0-1,4d-Lip transitions in Eu+35 at 65.83 and 71.00Å. Analogous transi tions in Yb+42 have been identified and some evidence for ASE has been observed.

Paper Details

Date Published: 4 February 1988
PDF: 8 pages
Proc. SPIE 0831, X-Rays from Laser Plasmas, (4 February 1988); doi: 10.1117/12.965049
Show Author Affiliations
D. A. Whelan, University of California (United States)
C. J. Keane, University of California (United States)
B. J. MacGowar, University of California (United States)
D. L. Matthews, University of California (United States)
J. E. Trebes, University of California (United States)
M. J. Eckart, University of California (United States)


Published in SPIE Proceedings Vol. 0831:
X-Rays from Laser Plasmas
Martin C. Richardson, Editor(s)

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