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Article Dans Une Revue Applied Spectroscopy Année : 2022

A New Simple Analytical Method for a Highly Accurate Determination of the Optical Parameters of a Slab from Transmittance Data

Résumé

To date, determining with high accuracy the optical parameters (extinction coefficient k and refractive index n) of a slab from the sole transmittance data requires an inverse method based on numerical iteration procedures. In this paper, we propose a new inverse analytical method of extracting ( k, n) without numerical iterative processes. The high accuracy of this new inverse method is assessed, and as an application example, the optical parameters of CaF 2 and Si substrates are determined in the IR spectral range of 4–8 µm.
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Dates et versions

hal-03587655 , version 1 (29-03-2022)

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van Huy Mai, Alexandre Jaffré, Khai Doan, Duc Thien Trinh, Olivier Schneegans. A New Simple Analytical Method for a Highly Accurate Determination of the Optical Parameters of a Slab from Transmittance Data. Applied Spectroscopy, 2022, ⟨10.1177/00037028211068078⟩. ⟨hal-03587655⟩
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