Mathematical model оf laser radiation femtosecond interaction with human skin

Pavel Rogov orcid (Login required)
Saint-Petersburg National Research University of Information Technologies, Mechanics, and Optics, Russia

Viktor Bespalov
Saint-Petersburg National Research University of Information Technologies, Mechanics, and Optics, Russia

Paper #2847 received 2015.12.30 revised manuscript received 2016.03.01; accepted for publication 2016.03.01; published online 2016.03.29.

DOI: 10.18287/JBPE16.02.010301


We present a mathematical model of linear and nonlinear processes that occur under the action of femtosecond laser radiation on the cutaneous covering. The analysis is carried out and the analytical solution of the set of equations describing the dynamics of the electron and atomic subsystems is obtained. The results of the work can be used to determine the maximum acceptable energy, generated by femtosecond laser systems, and to develop Russian laser safety standards for femtosecond laser systems.


laser safety; femtosecond radiation; self-focusing; skin

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