Linked Life Data

18331484

Source:http://linkedlifedata.com/resource/pubmed/id/18331484

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
Pt 3
pubmed:dateCreated
2008-3-11
pubmed:abstractText
We demonstrate that mid-infrared surface phonon polariton excitation, propagation and interference can be studied by scattering-type near-field optical microscopy (s-SNOM). In our experiments we image surface phonon polaritons (SPPs) propagating on flat SiC crystals. They are excited by weakly focused illumination of single or closely spaced metal disks we fabricated on the SiC surface by conventional photolithography. SPP imaging is performed by pseudo-heterodyne interferometric detection of infrared light scattered by the metal tip of our s-SNOM. The pseudo-heterodyne technique simultaneously yields optical amplitude and phase images which allows us to measure the SPP wave vector--including its sign--and the propagation length and further to study SPP interference. High resolution imaging of SPPs could be applied to investigate for example SPP focusing or heat transfer by SPPs in low dimensional nanostructures.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Mar
pubmed:issn
1365-2818
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
229
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
389-95
pubmed:year
2008
pubmed:articleTitle
Local excitation and interference of surface phonon polaritons studied by near-field infrared microscopy.
pubmed:affiliation
Nano-Photonics Group, Max-Plack-Institut für Biochemie & Center for Nanoscience, München, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't