Artículo
Finite Size Effects on Light Propagation throughout Random Media: Relation between Optical Properties and Scattering Event Statistics
Autor/es | Miranda Muñoz, José María
Esteso Carrizo, Victoria Jiménez Solano, Alberto Lozano, Gabriel Míguez, Hernán |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2020 |
Fecha de depósito | 2022-08-10 |
Publicado en |
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Resumen | This work introduces a thorough analysis of light transport in thin optically disordered media. The diffusive properties of a turbid material are generally dictated by the transport mean free path, lt. For depths larger ... This work introduces a thorough analysis of light transport in thin optically disordered media. The diffusive properties of a turbid material are generally dictated by the transport mean free path, lt. For depths larger than this characteristic length, light propagation can be considered fully randomized. There is however a range of thicknesses for which light becomes only partly randomized, as it only undergoes a single or very few scattering events. The effects of such finitude are experimentally and theoretically studied on the optical properties of the material, such as the angular distribution of scattered light. Simulations provide insight into the phenomena that occur within the optically disordered slab, like the number of scattering events that photons undergo during propagation throughout the material, as a function of the built-in wavelength dependent scattering mean free path, lsc. This approach provides fundamental information about photon transport in finite optically random media, which can be put into practice to design diffusers with specific requirements in terms of the spectral and angular properties of the scattered light. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España European Union (UE). H2020 |
Identificador del proyecto | MAT2017-88584-R
NANOPHOM 715832 |
Cita | Miranda Muñoz, J.M., Esteso Carrizo, V., Jiménez Solano, A., Lozano, G. y Míguez, H. (2020). Finite Size Effects on Light Propagation throughout Random Media: Relation between Optical Properties and Scattering Event Statistics. Advanced Optical Materials, 8 (1), 1901196. |
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