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Proceedings Paper

Comparison of the uniformity of soft and hard x-ray emissions from gold foils irradiated by OMEGA laser beams
Author(s): John F. Seely; Glenn E. Holland; Thomas R. Boehly; G. Pien; David K. Bradley
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Paper Abstract

A comparison of the uniformity of the soft and hard x-ray emissions from planar gold foils irradiated by OMEGA laser beams has been performed. A normal-incidence microscope with two multilayer coated mirrors formed 2D images at a wavelength of 48.3 angstroms (257 eV energy). The X5.8 magnified images were recorded by a gated framing camera at various times during the 3 nsec laser pulse. A pinhole camera imaged the x-ray emission in the energy range > 2 keV. On a spatial scale of 10 micrometers , it was found that the soft x-ray images at 257 eV were quite uniform and featureless. In contrast, the hard x-ray images in the energy range > 2 keV were highly nonuniform with numerous features of size 100 - 150 micrometers .

Paper Details

Date Published: 14 October 1997
PDF: 9 pages
Proc. SPIE 3157, Applications of X Rays Generated from Lasers and Other Bright Sources, (14 October 1997); doi: 10.1117/12.279422
Show Author Affiliations
John F. Seely, Naval Research Lab. (United States)
Glenn E. Holland, Sachs Freeman Associates (United States)
Thomas R. Boehly, Univ. of Rochester (United States)
G. Pien, Univ. of Rochester (United States)
David K. Bradley, Univ. of Rochester (United States)


Published in SPIE Proceedings Vol. 3157:
Applications of X Rays Generated from Lasers and Other Bright Sources
George A. Kyrala; Jean-Claude J. Gauthier, Editor(s)

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