Optical and plasma smoothing of laser imprinting in targets driven by lasers with SSD bandwidths up to 1 THz

T. R. Boehly, V. N. Goncharov, O. Gotchev, J. P. Knauer, D. D. Meyerhofer, Dan Oron, S. P. Regan, Y. Srebro, W. Seka, D. Shvarts, S. Skupsky, V. A. Smalyuk

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The creation of a plasma atmosphere in laser-target interactions increases the distance between the regions of laser absorption and hydrodynamic instability (ablation front), thus allowing thermal smoothing and a reduction of laser-imprinted modulations that reach the unstable ablation region. The total laser imprinting is reduced with pulse shapes that produce a plasma atmosphere more rapidly and by the implementation of temporal beam smoothing. These effects are measured and found to be consistent with models for the hydrodynamics and optical smoothing by spectral dispersion (SSD). Imprinting is reduced as the laser bandwidth is increased from 0.2 to 1.0 THz.

Original languageEnglish
Pages (from-to)2331-2337
Number of pages7
JournalPhysics of Plasmas
Volume8
Issue number5 II
DOIs
Publication statusPublished - May 2001

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smoothing
bandwidth
ablation
lasers
laser target interactions
hydrodynamics
atmospheres
modulation
pulses

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics

Cite this

Boehly, T. R., Goncharov, V. N., Gotchev, O., Knauer, J. P., Meyerhofer, D. D., Oron, D., ... Smalyuk, V. A. (2001). Optical and plasma smoothing of laser imprinting in targets driven by lasers with SSD bandwidths up to 1 THz. Physics of Plasmas, 8(5 II), 2331-2337. https://doi.org/10.1063/1.1352616

Optical and plasma smoothing of laser imprinting in targets driven by lasers with SSD bandwidths up to 1 THz. / Boehly, T. R.; Goncharov, V. N.; Gotchev, O.; Knauer, J. P.; Meyerhofer, D. D.; Oron, Dan; Regan, S. P.; Srebro, Y.; Seka, W.; Shvarts, D.; Skupsky, S.; Smalyuk, V. A.

In: Physics of Plasmas, Vol. 8, No. 5 II, 05.2001, p. 2331-2337.

Research output: Contribution to journalArticle

Boehly, TR, Goncharov, VN, Gotchev, O, Knauer, JP, Meyerhofer, DD, Oron, D, Regan, SP, Srebro, Y, Seka, W, Shvarts, D, Skupsky, S & Smalyuk, VA 2001, 'Optical and plasma smoothing of laser imprinting in targets driven by lasers with SSD bandwidths up to 1 THz', Physics of Plasmas, vol. 8, no. 5 II, pp. 2331-2337. https://doi.org/10.1063/1.1352616
Boehly, T. R. ; Goncharov, V. N. ; Gotchev, O. ; Knauer, J. P. ; Meyerhofer, D. D. ; Oron, Dan ; Regan, S. P. ; Srebro, Y. ; Seka, W. ; Shvarts, D. ; Skupsky, S. ; Smalyuk, V. A. / Optical and plasma smoothing of laser imprinting in targets driven by lasers with SSD bandwidths up to 1 THz. In: Physics of Plasmas. 2001 ; Vol. 8, No. 5 II. pp. 2331-2337.
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