693.932 PEOPLE
| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jepsen, Peter Uhd
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (46/46 displayed)
- 2024Mapping nanoscale carrier confinement in polycrystalline graphene by terahertz spectroscopycitations
- 2023Terahertz Cross-Correlation Spectroscopy and Imaging of Large-Area Graphenecitations
- 2023Probing Carrier Dynamics in Large-Scale MBE-Grown PtSe2 Films by Terahertz Spectroscopycitations
- 2022Resonant Laser Printing of Optical Metasurfacescitations
- 2020Production and processing of graphene and related materials
- 2020Production and processing of graphene and related materialscitations
- 2020Fermi velocity renormalization in graphene probed by terahertz time-domain spectroscopycitations
- 2018Conductivity mapping of graphene on polymeric films by terahertz time-domain spectroscopycitations
- 2017Sputtering an exterior metal coating on copper enclosure for large-scale growth of single-crystalline graphene:Papercitations
- 2017Nonlinear optical response of chalcogenide glassy semiconductors in the IR and THz ranges studied with the femtosecond resolution in time
- 2017Sputtering an exterior metal coating on copper enclosure for large-scale growth of single-crystalline graphenecitations
- 2016Broadband terahertz spectroscopy of chalcogenide glass As30Se30Te40
- 2016Time-resolved terahertz spectroscopy of charge carrier dynamics in the chalcogenide glass As30Se30Te40 [Invited]citations
- 2015Dielectric tube waveguides with absorptive cladding for broadband, low-dispersion and low loss THz guidingcitations
- 2015Ultrabroadband terahertz conductivity of highly doped ZnO and ITOcitations
- 2015Nitrogen plasma formation through terahertz-induced ultrafast electron field emissioncitations
- 2015Terahertz wafer-scale mobility mapping of graphene on insulating substrates without a gatecitations
- 2014Linear and nonlinear properties of chalcogenide glasses in the terahertz frequency
- 2014THz waveguides, devices and hybrid polymer-chalcogenide photonic crystal fibers
- 2014Metamaterial composite bandpass filter with an ultra-broadband rejection bandwidth of up to 240 terahertzcitations
- 2014THz Waveguides, Devices and Hybrid Polymer-chalcogenidePhotonic Crystal Fibers
- 2013On ultrafast photoconductivity dynamics and crystallinity of black siliconcitations
- 2013Terahertz-induced Kerr effect in amorphous chalcogenide glassescitations
- 2013Fabrication and characterization of transparent metallic electrodes in the terahertz domain
- 2013Fabrication and characterization of transparent metallic electrodes in the terahertz domain
- 2012Metamaterials modelling, fabrication, and characterisation techniques
- 2012Metamaterials modelling, fabrication, and characterisation techniques
- 2012Ultrabroadband terahertz spectroscopy of chalcogenide glassescitations
- 2012Metamaterials modelling, fabrication and characterisation techniques
- 2012Metamaterials modelling, fabrication and characterisation techniques
- 2011Effect of copper on the carrier lifetime in black siliconcitations
- 2011Effects of copper on the carrier dynamics in black silicon
- 2011Ultrabroadband THz spectroscopy of disordered materials
- 2010Terahertz reflection spectroscopy of aqueous NaCl and LiCl solutionscitations
- 2010Broadband polymer microstructured THz fiber coupler with downdoped cores
- 2010Time-resolved terahertz spectroscopy of black silicon:[invited]
- 2010Time-resolved terahertz spectroscopy of black silicon
- 2010Polymer microstructured fibers for guiding of THz radiation:[invited]
- 2010Polymer microstructured fibers for guiding of THz radiation
- 2009Broadband THz waveguiding and high-precision broadband time-resolved spectroscopy
- 2009Novel concepts for terahertz waveguide spectroscopy
- 2009Broadband THz waveguiding and high-precision broadband time-resolved spectroscopy:[invited]
- 2009Novel concepts for terahertz waveguide spectroscopy:[invited]
- 2006Role of dynamical screening in excitation kinetics of biased quantum wells: Nonlinear absorption and ultrabroadband terahertz emissioncitations
- 2004Ultrafast polarization dynamics in optically excited biased quantum wells
- 2001Fundamental and second-order phonon processes in CdTe and ZnTecitations
Places of action
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article
Ultrabroadband terahertz spectroscopy of chalcogenide glasses
Abstract
Chalcogenide glasses are receiving a lot of attention due to their unique optical properties. In this paper we study the optical properties of As2S3 and GaLaS glasses in a broad terahertz (THz) frequency range (0.2-18 THz). Complex dispersion behavior with drastic changes of refractive index and absorption coefficient is found for both glasses. We observe the breakdown of the universal power-law dependence of the absorption coefficient due to atomic vibrations observed at low THz frequencies in disordered materials, and see the transition to localized vibrational dynamics for the As2S3 compound at higher frequencies. In addition, As2S3 displays two transparency regions, at 7-8 THz and 12.2 THz, of potential interest for future nonlinear applications in the THz range.