Article Dans Une Revue Optics Express Année : 2022

Photo-induced Temperature in Optical Interference Coatings

Résumé

The photo-induced temperature in multilayer systems is calculated using an original analytical model based on optical/thermal analogies. Various illumination regimes are considered, ranging from ps pulses to a continuous regime, while taking into account a variable repetition rate. The temporal and spatial (3D) resolutions are quantified, and the distributions of temperature and stationary optical field are compared. The temperature spectra are given as a function of the illumination wavelength. Thermal and electromagnetic damage thresholds are compared. Lastly, the thermal fringes resulting from structured optical illumination are studied.

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hal-03856289 , version 1 (22-11-2022)

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Paul Rouquette, Claude Amra, Myriam Zerrad, Catherine Grezes-Besset, Hélène Krol. Photo-induced Temperature in Optical Interference Coatings. Optics Express, 2022, 30 (26), pp.46575. ⟨10.1364/OE.460921⟩. ⟨hal-03856289⟩
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