Diffusion approximation for the integrated cavity absorption meter

Anna V. Yushmanova; Sergey V. Sheberstov; Dmitriy I. Glukhovets

doi:10.1117/12.2692821

17 October 2023 Diffusion approximation for the integrated cavity absorption meter

Anna V. Yushmanova, Sergey V. Sheberstov, Dmitriy I. Glukhovets

Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127804L (2023) https://doi.org/10.1117/12.2692821
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation

Abstract

Numerical simulation of light propagation in an integrating sphere containing a quartz layer between the cavity for water sample and fluorilon has been performed using Monte-Carlo method. It was shown that the use of the Lambertian model with a single parameter albedo is a good replacement for BRDF obtained by numerical simulation of light propagation in fluorilon. In addition, it was shown that for a given fluorilon configuration, there is an unambiguous relationship between the albedo and the transport scattering parameter, which depends on the scattering coefficient of fluorilon and the mean cosine of the phase function. This dependence is shown variations with a change in the fluorilon thickness and its absorption coefficient value.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Anna V. Yushmanova, Sergey V. Sheberstov, and Dmitriy I. Glukhovets "Diffusion approximation for the integrated cavity absorption meter", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127804L (17 October 2023); https://doi.org/10.1117/12.2692821

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