Abstract
The work provides the description of theoretical and numerical modeling techniques of thermomechanical effects that take place in absorbing micro- and nanostructures of different materials under the action of pulsed laser radiation. A proposed technique of the numerical simulation is based on the solution of equations of motion of continuous media in the form of Lagrange for spatially inhomogeneous media. This model allows calculating fields of temperature, pressure, density, and velocity of the medium depending on the parameters of laser pulses and the characteristics of micro- and nanostructures.
Highlights
The photoacoustic effect is the formation of sound waves due to absorption of the modulated light pulse by irradiated medium
A proposed technique of the numerical simulation is based on the solution of equations of motion of continuous media in the form of Lagrange for a spatially inhomogeneous media
This model allows calculating fields of temperature, pressure, density and velocity of the medium depending on the parameters of laser pulses and the characteristics micro- and nanostructures
Summary
The photoacoustic effect is the formation of sound waves due to absorption of the modulated light pulse by irradiated medium. This work provides the description of theoretical and numerical modeling techniques of thermomechanical effects that take place in absorbing one-, two- and three-dimensional micro- and nanostructures of different materials under action of pulsed laser radiation. A proposed technique of the numerical simulation is based on the solution of equations of motion of continuous media in the form of Lagrange for a spatially inhomogeneous media.
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