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Phys Rev Lett. 2014 Mar 21;112(11):115004. Epub 2014 Mar 18.

Observation and control of shock waves in individual nanoplasmas.

Author information

1
Department of Physics, University of Colorado and JILA, National Institute of Standards and Technology and University of Colorado, Boulder, Colorado 80309, USA.
2
Physics Division, Physical and Life Sciences, Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
3
Plasma Physics Division, Naval Research Lab, Washington, District of Columbia 20375, USA.
4
Department of Chemistry and Biochemistry and CIRES, University of Colorado, Boulder, Colorado 80309, USA.

Abstract

Using an apparatus that images the momentum distribution of individual, isolated 100-nm-scale plasmas, we make the first experimental observation of shock waves in nanoplasmas. We demonstrate that the introduction of a heating pulse prior to the main laser pulse increases the intensity of the shock wave, producing a strong burst of quasimonoenergetic ions with an energy spread of less than 15%. Numerical hydrodynamic calculations confirm the appearance of accelerating shock waves and provide a mechanism for the generation and control of these shock waves. This observation of distinct shock waves in dense plasmas enables the control, study, and exploitation of nanoscale shock phenomena with tabletop-scale lasers.

PMID:
24702383
DOI:
10.1103/PhysRevLett.112.115004
[Indexed for MEDLINE]
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