Efficient generation of fast ions from surface modulated nanostructure targets irradiated by high intensity short-pulse lasers

Journal Article · Sat Oct 15 00:00:00 EDT 2011 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.3641965· OSTI ID:22046974

Andreev, Alexander ^[1]; Kumar, Naveen; Pukhov, Alexander ^[2]; Platonov, Konstantin ^[3]

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1. Max-Born Institute, Berlin D-12489 (Germany)
2. Institut fuer Theoretische Physik I, Heinrich-Heine-Universitaet, Duesseldorf D-40225 (Germany)
3. STC ''Vavilov State Optical Institute'', St. Petersburg 199064 (Russian Federation)

It's shown that the imposition of sub-laser wavelength relief structures on the surface of mass-limited-targets results into several folds higher short-pulse laser absorption, and consequently the efficient generation of fast ions. The optimum relief parameters for enhanced short-pulse laser absorption and higher ion acceleration are estimated numerically by particle-in-cell simulations and then corroborated by analytical scalings. The stability of the pre-imposed surface modulation during the laser pulse foil interaction is also examined.

• OSTI ID: 22046974
• Journal Information: Physics of Plasmas, Vol. 18, Issue 10; Other Information: (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ABSORPTION
ACCELERATION
COMPUTERIZED SIMULATION
IONS
LASER TARGETS
LASER-PRODUCED PLASMA
LASERS
LIGHT TRANSMISSION
MODULATION
NANOSTRUCTURES
NUMERICAL ANALYSIS
PLASMA SIMULATION
PULSES