Abstract
The current work establishes an analysis of the electromagnetic waves concepts and its application in the process of heat diffusion in solids in order to understand and spread the concept of thermal waves, so little addressed within the academy. It is possible to identify with this analysis how the temperature can change as a function of the thermophysical properties of the materials when a sample is subjected to a modulated and periodic excitation by means of electromagnetic waves. This allows some photothermal techniques, for instance, photothermal radiometry, to determine the thermal properties of materials such as thin films and homogeneous solids. The content developed in this article can be widely addressed in the form of disciplines in undergraduate and graduate courses intended for physics, engineering and students of related fields.
Keywords:
Thermal Waves; Electromagnetic Waves; Heat Diffusion in Solids
