UNSTEADY ENERGY TRANSFER BY SOLITON-LIKE WAVES IN A SOLID BODY AFTER EXPOSURE TO A LASER PULSE
E. M. Kudryavtsev , V. I. Emel'yanov , and M. Autric UDC 536.21.33:621.375.826 The authors report results of experimental and theoretical studies of the soliton nature of laser-induced nonequilibrium wave processes of energy transfer in solid bodies 1 sec - 10 sec after exposure to pulsed laser radiation. These results can serve as a key to the understanding of a new phenomenon that has been observed in investigation of the effect of IR laser radiation on various classes of solid bodies, namely, a wave of change in the optical reflection and electrical conduction. Investigation of this phenomenon pertains to a fundamental problem of solid-state physics and thermal physics related to investigation of the nonequilibrium process of transfer of energy absorbed in a substance under pulsed action of high-power electromagnetic, heat, or corpuscular fluxes. JEPTER7492020004 JEPTER749204