Photon Channelling in Foams

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dc.contributor.authorGittings, A. S
dc.contributor.authorBandyopadhyay, R.
dc.contributor.authorDurian, Douglas J
dc.date2023-05-17T18:44:29.000
dc.date.accessioned2023-05-23T00:27:20Z
dc.date.available2023-05-23T00:27:20Z
dc.date.issued2004-02-01
dc.date.submitted2017-10-11T11:20:28-07:00
dc.description.abstractWe 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.
dc.description.commentsAt the time of publication, author Douglas J. Durian was affiliated with University of California, Los Angeles. Currently, he is a faculty member at the Physics Department at the University of Pennsylvania.
dc.identifier.urihttps://repository.upenn.edu/handle/20.500.14332/43339
dc.legacy.articleid1648
dc.legacy.fields10.1209/epl/i2003-10084-4
dc.legacy.fulltexturlhttps://repository.upenn.edu/cgi/viewcontent.cgi?article=1648&context=physics_papers&unstamped=1
dc.source.beginpage414
dc.source.endpage419
dc.source.issue601
dc.source.issue3
dc.source.journalDepartment of Physics Papers
dc.source.journaltitleEurophysics Letter
dc.source.peerreviewedtrue
dc.source.statuspublished
dc.source.volume65
dc.subject.otherPhysical Sciences and Mathematics
dc.subject.otherPhysics
dc.titlePhoton Channelling in Foams
dc.typeArticle
digcom.contributor.authorGittings, A. S
digcom.contributor.authorBandyopadhyay, R.
digcom.contributor.authorisAuthorOfPublication|email:djdurian@physics.upenn.edu|institution:University of Pennsylvania|Durian, Douglas J
digcom.identifierphysics_papers/601
digcom.identifier.contextkey10887648
digcom.identifier.submissionpathphysics_papers/601
digcom.typearticle
dspace.entity.typePublication
relation.isAuthorOfPublication6f5cae6f-a436-4bc4-95d3-539ff48ce4a4
relation.isAuthorOfPublication6f5cae6f-a436-4bc4-95d3-539ff48ce4a4
relation.isAuthorOfPublication.latestForDiscovery6f5cae6f-a436-4bc4-95d3-539ff48ce4a4
upenn.schoolDepartmentCenterDepartment of Physics Papers
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