Modeling of optical, transport, and thermodynamic properties of Al metal irradiated by intense femtosecond laser pulses

A theoretical model is developed for the interaction of intense femtosecond laser pulses with solid targets on the basis of the two-temperature equation of state for an irradiated substance. It allows the description of the dynamics of the plasma formation and expansion. Comparison of available experimental data on the amplitude and phase of the complex reflection coefficient of aluminum with the simulation results provides new information on the transport coefficients and absorption capacity of the strongly coupled Al plasma over a wide range of temperatures and pressures.

[1]  M. Downer,et al.  Experimental identification of vacuum heating at femtosecond-laser-irradiated metal surfaces , 1999 .

[2]  V. Fortov,et al.  The Generation of a Dense Hot Plasma by Intense Subpicosecond Laser Pulses , 2003 .

[3]  A. P. Kanavin,et al.  Absorption of a femtosecond laser pulse by metals and the possibility of determining effective electron—electron collision frequencies , 2006 .

[4]  Paul T. Springer,et al.  Interferometric investigation of femtosecond laser-heated expanded states , 2001 .

[5]  G. V. Chester,et al.  Solid State Physics , 2000 .

[6]  R. Redmer,et al.  Collisional absorption in aluminum. , 2006, Physical review. E, Statistical, nonlinear, and soft matter physics.

[7]  V. Fortov,et al.  Generation of characteristic x rays by a terawatt femtosecond chromium-forsterite laser , 2006 .

[8]  D. Lynch,et al.  Handbook of Optical Constants of Solids , 1985 .

[9]  Eric Audouard,et al.  Hydrodynamic simulations of metal ablation by femtosecond laser irradiation , 2005 .

[10]  G. Maynard,et al.  Theory and simulation of short intense laser pulse propagation in capillary tubes with wall ablation , 2006 .

[11]  E. M. Lifshitz,et al.  Course in Theoretical Physics , 2013 .

[12]  L. Spitzer,et al.  TRANSPORT PHENOMENA IN A COMPLETELY IONIZED GAS , 1953 .

[13]  Sergei I. Ashitkov,et al.  Terawatt femtosecond Cr: forsterite laser system , 2004 .

[14]  K. Khishchenko The equation of state for magnesium at high pressures , 2004 .

[15]  M. Sentis,et al.  Material decomposition mechanisms in femtosecond laser interactions with metals , 2007, 0706.1371.

[16]  V. L. Ginzburg,et al.  The propagation of electromagnetic waves in plasmas , 1970 .

[17]  Pavel R. Levashov,et al.  Determination of the transport and optical properties of a nonideal solid-density plasma produced by femtosecond laser pulses , 2007 .

[18]  Rinker,et al.  Electrical conductivity of a strongly coupled plasma. , 1985, Physical review. B, Condensed matter.

[19]  S. Eliezer,et al.  Interband and intraband (Drude) contributions to femtosecond laser absorption in aluminum. , 2001, Physical review. E, Statistical, nonlinear, and soft matter physics.

[20]  Alexei Abrikosov,et al.  Fundamentals of the theory of metals , 1988 .

[21]  J. Meyer-ter-Vehn,et al.  Hydrodynamic simulation of subpicosecond laser interaction with solid-density matter , 2000, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics.