Plasma heating by ultrashort laser pulse in the regime of anomalous skin effect

Alexander A. Andreev; Eugene G. Gamaly; V. N. Novikov; A. N. Semakhin; V. T. Tikhonchuk

doi:10.1117/12.60668

10 June 1992 Plasma heating by ultrashort laser pulse in the regime of anomalous skin effect

Alexander A. Andreev, Eugene G. Gamaly, V. N. Novikov, A. N. Semakhin, V. T. Tikhonchuk

Proceedings Volume 1800, Superintense Laser Fields: Generation, Interaction with Matter, and X-Ray Sources; (1992) https://doi.org/10.1117/12.60668
Event: Superintense Laser Fields: Generation, Interaction with Matter, and X-Ray Sources, 1991, St. Petersburg, Russian Federation

Abstract

The problem of interaction of short laser pulse (light frequency (omega) o, pulse duration (tau) < 1_s/V_Ti, 1_s is the skin depth, V_Ti is the ion velocity) with dense ((omega) _o<< (omega) _pe) semi-infinite plasma was solved. We formulated the self- consistent problem of obtaining the electron distribution function and space dependence of the electric field in the skin layer, and solved the problem for several cases analytically and numerically. On the basis of the obtained solution, we have calculated mean electron energy, absorption coefficient, Bremsstrahlung radiation, and time-dependent skin depth. We have also found dependence of the absorption coefficient on the wave incidence angle and its polarization.

Citation Download Citation

Alexander A. Andreev, Eugene G. Gamaly, V. N. Novikov, A. N. Semakhin, and V. T. Tikhonchuk "Plasma heating by ultrashort laser pulse in the regime of anomalous skin effect", Proc. SPIE 1800, Superintense Laser Fields: Generation, Interaction with Matter, and X-Ray Sources, (10 June 1992); https://doi.org/10.1117/12.60668

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