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Proceedings Paper

X-Ray Sources From Picosecond Laser Plasma Excitation
Author(s): O L Landen; D G Stearns; E M Campbell; J H Scofield
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Paper Abstract

Ultrashort (<10ps at lkeV) high-brightness (1022 photons/sec-mm2-eV into 2π steradians at lkeV) x-ray pulses are generated by exciting a preformed laser-produced plasma using a 1GW picosecond laser pulse. Time-integrated spectra and time-integrated spatially resolved emission yields are presented for various materials. Time-resolved measurements of the XUV and x-ray emission from a solid Au target are presented, as well as the dependence of radiation yield on the laser energy, angle of incidence and polarization. The production and short time duration of the x-ray emission is attributed to resonance absorption followed by rapid plasma cooling via thermal conduction.

Paper Details

Date Published: 11 July 1988
PDF: 8 pages
Proc. SPIE 0913, High Intensity Laser-Matter Interactions, (11 July 1988); doi: 10.1117/12.965142
Show Author Affiliations
O L Landen, Lawrence Livermore National Laboratory (United States)
D G Stearns, Lawrence Livermore National Laboratory (United States)
E M Campbell, Lawrence Livermore National Laboratory (United States)
J H Scofield, Lawrence Livermore National Laboratory (United States)

Published in SPIE Proceedings Vol. 0913:
High Intensity Laser-Matter Interactions
Hector A. Baldis; E. Michael Campbell, Editor(s)

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