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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F14%3A00440831%21RIV15-GA0-68378271
rdf:type
skos:Concept n16:Vysledek
dcterms:description
We show experimentally that polycrystalline TiO2 spheres, 20-30 micrometers in diameter, exhibit a magnetic dipole Mie resonance in the THz frequency band with a narrow linewidth. We detect and investigate the magnetic dipole and electric dipole resonances in single high-permittivity TiO2 microspheres, using a near-field probe with a sub-wavelength size aperture and THz time-domain spectroscopy technique. The Mie resonance signatures are observed in the electric field amplitude and phase spectra, as well as in the electric field distribution near the microspheres. The narrow linewidth and the sub-wavelength size make the TiO2 microspheres excellent candidates for realizing low-loss THz metamaterials. We show experimentally that polycrystalline TiO2 spheres, 20-30 micrometers in diameter, exhibit a magnetic dipole Mie resonance in the THz frequency band with a narrow linewidth. We detect and investigate the magnetic dipole and electric dipole resonances in single high-permittivity TiO2 microspheres, using a near-field probe with a sub-wavelength size aperture and THz time-domain spectroscopy technique. The Mie resonance signatures are observed in the electric field amplitude and phase spectra, as well as in the electric field distribution near the microspheres. The narrow linewidth and the sub-wavelength size make the TiO2 microspheres excellent candidates for realizing low-loss THz metamaterials.
dcterms:title
Near-field probing of Mie resonances in single TiO2 microspheres at terahertz frequencies Near-field probing of Mie resonances in single TiO2 microspheres at terahertz frequencies
skos:prefLabel
Near-field probing of Mie resonances in single TiO2 microspheres at terahertz frequencies Near-field probing of Mie resonances in single TiO2 microspheres at terahertz frequencies
skos:notation
RIV/68378271:_____/14:00440831!RIV15-GA0-68378271
n3:aktivita
n17:P n17:I
n3:aktivity
I, P(GA14-25639S)
n3:cisloPeriodika
19
n3:dodaniDat
n11:2015
n3:domaciTvurceVysledku
n15:6706460 n15:5379369
n3:druhVysledku
n12:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
31906
n3:idVysledku
RIV/68378271:_____/14:00440831
n3:jazykVysledku
n13:eng
n3:klicovaSlova
metamaterials; near-field microscopy; resonators; terahertz imaging
n3:klicoveSlovo
n5:terahertz%20imaging n5:metamaterials n5:near-field%20microscopy n5:resonators
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[8532943AE2FF]
n3:nazevZdroje
Optics Express
n3:obor
n18:BH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
9
n3:projekt
n8:GA14-25639S
n3:rokUplatneniVysledku
n11:2014
n3:svazekPeriodika
22
n3:tvurceVysledku
Kužel, Petr Mitrofanov, O. Brener, I. Elissalde, C. Chung, U.-C. Maglione, M. Reno, J. L. Mounaix, P. Dominec, Filip
n3:wos
000342756500078
s:issn
1094-4087
s:numberOfPages
9
n9:doi
10.1364/OE.22.023034