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|Title:||Laser-induced temperature rise in anisotropic substrates||Authors:||Lu, Y.-F.||Issue Date:||1992||Citation:||Lu, Y.-F. (1992). Laser-induced temperature rise in anisotropic substrates. Journal of Applied Physics 72 (10) : 4893-4900. ScholarBank@NUS Repository. https://doi.org/10.1063/1.352055||Abstract:||Laser-induced temperature rise in anisotropic substrates has been investigated by solving the heat equation in anisotropic media. A model was derived to calculate the laser-induced temperature in anisotropic substrates. It is found that the heat equation in anisotropic media can be simplified to a heat equation in isotropic media by coordinate transformation. The anisotropy of the media can then be reflected by heat source transformation. The results reveal that the laser-induced temperature rise can be significantly affected by the anisotropy of the substrate. The thermal conductivity change along the Z direction (downward into the substrate) will affect the temperature rise more significantly than that along the X and Y directions (parallel to the substrate surface). The anisotropy in thermal conductivity not only affects the peak temperature rise, but also affects the shape of the temperature profile.||Source Title:||Journal of Applied Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/80669||ISSN:||00218979||DOI:||10.1063/1.352055|
|Appears in Collections:||Staff Publications|
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