Influence of non-irradiated surface optical absorber on temperature gradient induced by photothermal effect in a thin film-Reference-Cited by-同舟云学术

Influence of non-irradiated surface optical absorber on temperature gradient induced by photothermal effect in a thin film

Published:2022 Issue:1 Volume:20 Page:67-77
ISSN:0354-4656
Container-title:Facta universitatis - series: Physics, Chemistry and Technology
language:en
Short-container-title:Facta Univ Phys Chem Technol

Author:

Miletic Vesna¹^ORCID,Popovic Marica²,Galovic Slobodanka³^ORCID,Markushev Dragan²^ORCID,Kostic Ljiljana⁴^ORCID,Nesic Miroljub³

Affiliation:

1. University of East Sarajevo, Faculty of Philosophy – Pale, Sarajevo

2. University of Belgrade, Institute of Physics – Zemun, National Institute of the Republic of Serbia, Belgrade

3. University of Belgrade, Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade

4. University of Niš, Faculty of Sciences and Mathematics – Department of Physics, Niš

Abstract

This paper presents the model of surface temperature variations, resulting from the photothermal effect induced in a ?thin film ? highly absorbing surface layer? structure, where the thin film is irradiated. The influence of the optical absorption coefficient and sample thickness on the induced temperature gradient is analyzed. It is shown that, depending on the product of these parameters (optical absorbance) in the described structure, the phenomenon of inverse temperature gradient can occur, further influencing the direction and the magnitude of thermoelastic displacement.

Funder

Ministry of Education, Science and Technological Development of the Republic of Serbia

Publisher

National Library of Serbia

Subject

General Earth and Planetary Sciences,General Environmental Science

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