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Iskakov AB, Tishkin VF, Lebo IG, et al. Two-dimensional model of thermal smoothing of laser imprint in a double-pulse plasma. Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000;61(1):842-7doi: 10.1103/physreve.61.842.
Iskakov, A. B., Tishkin, V. F., Lebo, I. G., Limpouch, J., Masek, K., & Rohlena, K. (2000). Two-dimensional model of thermal smoothing of laser imprint in a double-pulse plasma. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 61(1), 842-7. https://doi.org/10.1103/physreve.61.842
Iskakov, et al. "Two-dimensional model of thermal smoothing of laser imprint in a double-pulse plasma." Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics vol. 61,1 (2000): 842-7. doi: https://doi.org/10.1103/physreve.61.842
Iskakov AB, Tishkin VF, Lebo IG, Limpouch J, Masek K, Rohlena K. Two-dimensional model of thermal smoothing of laser imprint in a double-pulse plasma. Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000 Jan;61(1):842-7. doi: 10.1103/physreve.61.842. PMID: 11046331.
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Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000 Jan;61(1):842-7. doi: 10.1103/physreve.61.842.

Two-dimensional model of thermal smoothing of laser imprint in a double-pulse plasma.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Iskakov, Tishkin, Lebo, Limpouch, Masek, Rohlena

Affiliations

  1. Institute of Mathematical Modeling, Miusskaya Square 4a, 125047 Moscow, Russia.

PMID: 11046331 DOI: 10.1103/physreve.61.842

Abstract

The laser prepulse effect on the thermal smoothing of nonuniformities of target illumination is studied by means of a two-dimensional Lagrangian hydrodynamics simulation, based on the parameters of a real experiment. A substantial smoothing effect is demonstrated for the case of an optimum delay between the prepulse and the main heating laser pulse. The enhancement of the thermal smoothing effect by the laser prepulse is caused by the formation of a long hot layer between the region of laser absorption and the ablation surface. A comparison with experimental results is presented.

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