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Proceedings Paper

A three dimensional solution for laser-induced thermoelastic deformation of the layered medium
Author(s): Salavat R. Aglyamov; Shang Wang; Stanislav Y. Emelianov; Kirill V. Larin
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Paper Abstract

We have derived an axially symmetric three-dimensional analytical solution for thermoelastic deformations and stresses in a layered medium irradiated by a laser beam. The solution was obtained for Gaussian radial temperature profile on the upper surface of the elastic layer, in the assumption that temperature decreases exponentially with depth. The developed theoretical model was used to calculate distributions of laser-induced deformations and displacements in a medium containing single layer over a half-space. The influence of the shear elastic properties of the layer and half-space on the stress and strain distributions was evaluated. It was shown that tissue response depends significantly on the elastic contrast between the layer and the half-space. The proposed solution could be used in photomechanical models of laser ablation of inhomogeneous materials and tissues.

Paper Details

Date Published: 15 March 2016
PDF: 7 pages
Proc. SPIE 9710, Optical Elastography and Tissue Biomechanics III, 971010 (15 March 2016); doi: 10.1117/12.2213480
Show Author Affiliations
Salavat R. Aglyamov, The Univ. of Texas at Austin (United States)
Shang Wang, Baylor College of Medicine (United States)
Stanislav Y. Emelianov, Georgia Institute of Technology (United States)
Emory Univ. School of Medicine (United States)
Kirill V. Larin, Baylor College of Medicine (United States)
Univ. of Houston (United States)
Samara State Aerospace Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 9710:
Optical Elastography and Tissue Biomechanics III
Kirill V. Larin; David D. Sampson, Editor(s)

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