Abstract
The temperature distribution in space and time is modeled for an absorbing tissue with incident laser light. We use Beer’s law with an absorption coefficient α to describe the light absorbed within the tissue. Heat is diffused away in all directions by the thermal conductivity κ of the tissue, and the rate of heat flow is proportional to the temperature gradient. The specific heat Cp and density ρ are the remaining parameters in the model. We give the resulting heat flow equation with a source term as the inhomogeneous partial differential equation:
© 1989 Optical Society of America
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