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Proceedings Paper

Cavity issues for Ni-like Ta x-ray laser
Author(s): David C. Eder; Luiz Barroca Da Silva; Richard A. London; Brian J. MacGowan; Stephen Maxon
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Paper Abstract

Lasing has been demonstrated at 44.83 angstroms in Ni-like Ta with a gain of order 3 cm-1 over a length of 3 cm. This wavelength is suitable for holography of biological specimens provided that sufficient energy is available. The duration of the x-ray laser pulse (FWHM of order 0.35 ns) allows the possibility of a second pass through the lasing medium to increase the output energy. The dependences of the output energy on the reflectivity of the multilayer mirror, the separation of the mirror from the lasing medium, and the duration of lasing are explored in this paper. The x-ray laser plasma is a strong source of x rays (energies up to 2 keV) that can damage the multilayer mirror. We examine the heating of the multilayer mirror as a function of the separation from the lasing medium. The effect of the mirror shape (radius of curvature and whether the surface is flat, concave, or convex) on the output energy and degree of coherence of the x-ray laser is given.

Paper Details

Date Published: 5 February 1992
PDF: 7 pages
Proc. SPIE 1551, Ultrashort Wavelength Lasers, (5 February 1992); doi: 10.1117/12.134817
Show Author Affiliations
David C. Eder, Lawrence Livermore National Lab. (United States)
Luiz Barroca Da Silva, Lawrence Livermore National Lab. (United States)
Richard A. London, Lawrence Livermore National Lab. (United States)
Brian J. MacGowan, Lawrence Livermore National Lab. (United States)
Stephen Maxon, Lawrence Livermore National Lab. (United States)

Published in SPIE Proceedings Vol. 1551:
Ultrashort Wavelength Lasers
Szymon Suckewer, Editor(s)

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