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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
14
pubmed:dateCreated
2003-11-12
pubmed:abstractText
We report spatial domain measurements of the damping of surface-plasmon excitations in metal films with periodic nanohole arrays. The measurements reveal a short coherent propagation length of a few microm inside nanohole arrays, consistent with delays of about 10 fs in ultrafast transmission experiments. This implies that the transmission spectra of the entire plasmonic band-gap structure are homogeneously broadened by radiative damping of surface-plasmon excitations. We show that a Rayleigh-like scattering of surface plasmons by the periodic hole array is the microscopic origin of this damping, allowing the reradiation rate to be controlled.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Oct
pubmed:issn
0031-9007
pubmed:author
pubmed:issnType
Print
pubmed:day
3
pubmed:volume
91
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
143901
pubmed:year
2003
pubmed:articleTitle
Microscopic origin of surface-plasmon radiation in plasmonic band-gap nanostructures.
pubmed:affiliation
School of Physics, Seoul National University, Seoul 151-742, Korea.
pubmed:publicationType
Journal Article