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APS » Journals » Phys. Rev. Lett. » Volume 75 » Issue 17
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Phys. Rev. Lett. 75, 3122–3125 (1995)

Strong X-Ray Emission from High-Temperature Plasmas Produced by Intense Irradiation of Clusters

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T. Ditmire1, T. Donnelly2, R. W. Falcone2, and M. D. Perry1
1Laser Program, Lawrence Livermore National Laboratory, P.O. Box 808, L-443, Livermore, California 94550
2Department of Physics, University of California at Berkeley, Berkeley, California 94720

Received 14 June 1995; published in the issue dated 23 October 1995

The interaction of an intense laser pulse with large (∼100Å) clusters present in pulsed gas jets is shown to produce novel plasmas with electron temperatures far in excess of that predicted by above-threshold ionization theory. The enhanced absorption of the laser light by the dense clusters results in the production of high ion charge states via collisional ionization resulting in strong x-ray emission from the hot plasma.

© 1995 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.75.3122
DOI:
10.1103/PhysRevLett.75.3122
PACS:
52.50.Jm, 36.40.Vz, 52.25.Nr
 
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