Scalability of transport parameters with pore sizes in isodense disordered media
We study light multiple scattering in complex disordered porous materials. High internal phase emulsion-based isodense polystyrene foams are designed. Two types of samples, exhibiting different pore size distributions, are investigated for different slab thicknesses varying from to . Optical measure...
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| Veröffentlicht in: | Europhysics letters 2014-09, Vol.107 (6), p.64003-p1-64003-p6 |
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| container_end_page | p1-64003-p6 |
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| container_title | Europhysics letters |
| container_volume | 107 |
| creator | William Reginald, S. Schmitt, V. Vallée, R. A. L. |
| description | We study light multiple scattering in complex disordered porous materials. High internal phase emulsion-based isodense polystyrene foams are designed. Two types of samples, exhibiting different pore size distributions, are investigated for different slab thicknesses varying from to . Optical measurements combining steady-state and time-resolved detection are used to characterize the photon transport parameters. Very interestingly, a clear scalability of the transport mean free path with the average size of the pores S is observed, featuring a constant velocity of the transport energy in these isodense structures. This study strongly motivates further investigations into the limits of validity of this scalability as the scattering strength of the system increases. |
| doi_str_mv | 10.1209/0295-5075/107/64003 |
| format | Article |
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A. L.</creatorcontrib><title>Scalability of transport parameters with pore sizes in isodense disordered media</title><title>Europhysics letters</title><addtitle>EPL</addtitle><addtitle>EPL</addtitle><description>We study light multiple scattering in complex disordered porous materials. High internal phase emulsion-based isodense polystyrene foams are designed. Two types of samples, exhibiting different pore size distributions, are investigated for different slab thicknesses varying from to . Optical measurements combining steady-state and time-resolved detection are used to characterize the photon transport parameters. Very interestingly, a clear scalability of the transport mean free path with the average size of the pores S is observed, featuring a constant velocity of the transport energy in these isodense structures. 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| source | IOP Publishing Journals |
| subjects | 05.60.-k 42.25.Dd 82.70.Kj Condensed Matter Constants Materials Science Mean free path Multiple scatter Optical measurement Optics Parameters Photons Physics Plastic foam Polystyrene resins Pore size Porosity Porous materials Porous media Scattering Thickness measurement Transport |
| title | Scalability of transport parameters with pore sizes in isodense disordered media |
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