Photo-induced thermal radiation of optical interference coatings submitted to a spatio-temporal illumination - Archive ouverte HAL
Article Dans Une Revue Optics Express Année : 2023

Photo-induced thermal radiation of optical interference coatings submitted to a spatio-temporal illumination

P. Rouquette
C. Amra
M. Zerrad
C. Grèzes-Besset
  • Fonction : Auteur
H. Krol
  • Fonction : Auteur

Résumé

We present an electromagnetic model for photo-induced thermal radiation in multi-layer interference filters subjected to arbitrary pulsed illumination with limited beam size. Numerical calculation is used to analyze various structures affecting thermal radiation, such as multi-dielectric mirrors in the mid-infrared range. Other zero-admittance structures are shown to strongly confine and enhance the thermal radiation with an emissivity close to unity at pre-defined frequencies (wavelength and angles). Calculation tools are chosen that encourage the use of techniques for synthesizing thin-film multilayers able to control thermal radiation.
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hal-04235251 , version 1 (01-02-2024)

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P. Rouquette, C. Amra, M. Zerrad, C. Grèzes-Besset, H. Krol. Photo-induced thermal radiation of optical interference coatings submitted to a spatio-temporal illumination. Optics Express, 2023, 31 (22), pp.35431-35452. ⟨10.1364/OE.495500⟩. ⟨hal-04235251⟩
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