Absolute values of transport mean free path of light in non-absorbing media using transmission and reflectance measurements
We derived a relation between the transport mean free path of light, and transmittance and the reflectance in non-absorbing turbid media.This allowed us to develop an experimental procedure to obtain absolute values for the transport mean free path of light just by measuringin an integrating sphere...
| Autores: | , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2008 |
| País: | México |
| Institución: | Universidad Nacional Autónoma de México |
| Repositorio: | Redalyc-UNAM |
| OAI Identifier: | oai:redalyc.org:57054313 |
| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=57054313 |
| Access Level: | acceso abierto |
| Palabra clave: | Física, Astronomía y Matemáticas DWS Transport mean free path of light |
| Sumario: | We derived a relation between the transport mean free path of light, and transmittance and the reflectance in non-absorbing turbid media.This allowed us to develop an experimental procedure to obtain absolute values for the transport mean free path of light just by measuringin an integrating sphere both the transmittance and the reflectance in this kind of system. We determined how accurate our method was bycomparing our transport mean free path measurements with calculations made for colloidal suspensions of particles using Mie scatteringtheory and with measurements made in colloidal suspensions of polystyrene microspheres using diffusive wave spectroscopy. The agreementis excellent |
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