Linked Life Data

19188986

Source:http://linkedlifedata.com/resource/pubmed/id/19188986

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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2009-2-3
pubmed:abstractText
We report on emission and detection of pulsed terahertz radiation of radial and azimuthal polarization by microstructured photoconductive antennas. To this end the electrode geometry of the emitter is inverse to the desired THz field pattern and a second periodic structure prevents destructive interference effects. Beam profiles of freely propagating THz waves are studied for divergent and refocused beams. They can be well described as the lowest order Bessel-Gauss modes with a divergence comparable to linearly polarized Gaussian beams. Additionally, mode sensitive detection is demonstrated for radially polarized radiation.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Feb
pubmed:issn
1094-4087
pubmed:author
pubmed:issnType
Electronic
pubmed:day
2
pubmed:volume
17
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1571-6
pubmed:year
2009
pubmed:articleTitle
Terahertz Bessel-Gauss beams of radial and azimuthal polarization from microstructured photoconductive antennas.
pubmed:affiliation
Institute of Ion Beam Physics and Materials Research, Forschungszentrum Dresden Rossendorf, Dresden, Germany. s.winnerl@fzd.de
pubmed:publicationType
Journal Article