Finite element modeling of laser-induced three-dimensional Transient Thermal Grating in two-layered systems |
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| Authors: | J S Wang Y Cheng Q J Huang X J Liu S Y Zhang |
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| Institution: | (1) Key Lab of Modern Acoustics, Nanjing University, Nanjing, 210093, China |
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| Abstract: | The three-dimensional (3D) temperature field of
laser-induced transient thermal grating (TTG) for two-layered structures
such as diamond/substrate is obtained by the finite element method (FEM).
The numerical results indicate that the thickness of the diamond film has a
significant influence on the temperature field. On the other hand, we
further find that variation of the substrate significantly affects on the
temperature distribution in the diamond film, which has been ascribed to the
various thermal conductivities of the substrates. |
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| Keywords: | |
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