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Article Dans Une Revue Optics Express Année : 2024

Thermal radiation transferred to the guided modes of optical interference coatings

Paul Rouquette
  • Fonction : Auteur
  • PersonId : 1337710
Claude Amra
Myriam Zerrad
Helene Krol
  • Fonction : Auteur
  • PersonId : 832176

Résumé

An electromagnetic model is developed to predict the thermal radiation which is trapped in a multilayer structure and transferred to its guided modes. The theory is based on the electromagnetic power supplied by the thermal currents given by the fluctuation-dissipation theorem. The source of the radiation is the ambient temperature or that caused by the optical absorption of the component subjected to spatio-temporal illumination. A numerical example is given for a multi-dielectric mirror at thermodynamic equilibrium. It is shown that the thermal radiation transferred to the guided modes of the multilayer can be much larger or lower than the radiation emerging in free space outside the component.
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Dates et versions

hal-04511116 , version 1 (19-03-2024)

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Paul Rouquette, Claude Amra, Myriam Zerrad, Helene Krol. Thermal radiation transferred to the guided modes of optical interference coatings. Optics Express, 2024, 32 (7), pp.12065-12080. ⟨10.1364/oe.516952⟩. ⟨hal-04511116⟩
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