Photon channelling in foams

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DC Field	Value	Language
dc.contributor.author	Gittings, A.S.	-
dc.contributor.author	Bandyopadhyay, Ranjini	-
dc.contributor.author	Durian, D.J.	-
dc.date.accessioned	2012-06-09T09:37:33Z	-
dc.date.available	2012-06-09T09:37:33Z	-
dc.date.issued	2004	-
dc.identifier.citation	Europhysics Letters, 2004, Vol.65, p414-419	en
dc.identifier.issn	0295-5075	-
dc.identifier.issn	1286-4854 (Online)	-
dc.identifier.uri	http://hdl.handle.net/2289/4652	-
dc.description	Restricted Access.	en
dc.description.abstract	We report on the absorption of diffuse photons in aqueous foams by a dye added to the continuous liquid phase. For very wet and for dry foams, the absorption of the diffuse photons equals the absorption length of the liquid divided by the liquid volume fraction. This indicates that the diffuse photons propagate by a random walk, sampling each phase in proportion to its volume. Foams of intermediate wetness, by contrast, absorb photons more strongly than expected. A 2D computer simulation, modeling photons scattering in a foam crystal, also shows enhanced absorption. This encourages us to consider novel transport effects, such as the total internal reflection of photons inside the Plateau borders.	en
dc.language.iso	en	en
dc.publisher	Institute of Physics	en
dc.rights	2004 Institute of Physics	en
dc.title	Photon channelling in foams	en
dc.type	Article	en
Appears in Collections:	Research Papers (SCM)

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