Nonlinear evolution of broad-bandwidth, laser-imprinted nonuniformities in planar targets accelerated by 351-nm laser light

V. A. Smalyuk, T. R. Boehly, D. K. Bradley, V. N. Goncharov, J. A. Delettrez, J. P. Knauer, D. D. Meyerhofer, Dan Oron, D. Shvarts, Y. Srebro, R. P J Town

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Abstract

Planar, 20 and 40 μm thick CH targets have been accelerated by 351 nm laser beams of the OMEGA laser system [Opt. Commun. 133, 495 (1997)]. Different beam-smoothing techniques were employed including distributed phase plates, smoothing by spectral dispersion, and distributed polarization rotators. The Rayleigh-Taylor evolution of three-dimensional (3D) broadband planar-target perturbations seeded by laser nonuniformities was measured using x-ray radiography at ∼ 1.3 keV. Fourier analysis shows that the perturbations evolve to longer wavelengths and the shorter wavelengths saturate. The saturation amplitudes and rates of growth of these features are consistent with the predictions of Haan [Phys. Rev. A 39, 5812 (1989)].

Original languageEnglish
Pages (from-to)4022-4036
Number of pages15
JournalPhysics of Plasmas
Volume6
Issue number10
Publication statusPublished - Oct 1999

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ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics

Cite this

Smalyuk, V. A., Boehly, T. R., Bradley, D. K., Goncharov, V. N., Delettrez, J. A., Knauer, J. P., Meyerhofer, D. D., Oron, D., Shvarts, D., Srebro, Y., & Town, R. P. J. (1999). Nonlinear evolution of broad-bandwidth, laser-imprinted nonuniformities in planar targets accelerated by 351-nm laser light. Physics of Plasmas, 6(10), 4022-4036.