Archivio Istituzionale della RicercaWhen the thermal diffusivity, $chi$, of a thin film on a substrate is measured by means of the mirage method, the photothermal deflection of the probe beam is determined by the heat radiation field contributed by the film and the substrate, heated by the pump beam. A two-dimensional algorithm is here presented in order to deduce the measure of the diffusivities of the film and the substrate in one set of mirage detection from the experimental data.
Analytical developments in the Wong–Fung–Tam–Gao radiation model of thermal diffusivity / Lucia, Umberto; Maino, G.. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION B, BEAM INTERACTIONS WITH MATERIALS AND ATOMS. - ISSN 0168-583X. - STAMPA. - 213:January 2004(2004), pp. 139-143. [10.1016/S0168-583X(03)01548-9]
Analytical developments in the Wong–Fung–Tam–Gao radiation model of thermal diffusivity
LUCIA, UMBERTO;
2004
Abstract
When the thermal diffusivity, $chi$, of a thin film on a substrate is measured by means of the mirage method, the photothermal deflection of the probe beam is determined by the heat radiation field contributed by the film and the substrate, heated by the pump beam. A two-dimensional algorithm is here presented in order to deduce the measure of the diffusivities of the film and the substrate in one set of mirage detection from the experimental data.
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https://hdl.handle.net/11583/2496147
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