Fraunhofer-Gesellschaft

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Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Enhanced upconversion in one-dimensional photonic crystals: A simulation-based assessment within realistic material and fabrication contraints
Hofmann, C.L.M.; Eriksen, E.H.; Fischer, S.; Richards, B.S.; Balling, P.; Goldschmidt, J.C.
Zeitschriftenaufsatz
2017Self-gated mid-infrared short pulse upconversion detection for gas sensing
Wolf, Sebastian; Trendle, Tobias; Kießling, Jens; Herbst, Johannes; Buse, Karsten; Kühnemann, Frank
Zeitschriftenaufsatz
2017Sensitive infrared detection through efficient pulsed upconversion for remote sensing applications
Wolf, Sebastian; Trendle, Tobias; Kießling, Jens; Kühnemann, Frank
Konferenzbeitrag
2017Upconversion-enabled array spectrometer for the mid-infrared, featuring kilohertz spectra acquisition rates
Wolf, Sebastian; Kießling, Jens; Kunz, Michael; Popko, Gregor; Buse, Karsten; Kühnemann, Frank
Zeitschriftenaufsatz
2016Comparative analysis of upconversion efficiencies in fluoride materials for photovoltaic application
Favilla, E.; Cittadino, G.; Veronesi, S.; Tonelli, M.; Fischer, S.; Goldschmidt, J.C.; Cassanho, A.; Jenssen, H.P.
Zeitschriftenaufsatz
2016Comprehensive analysis of photonic effects on up-conversion of β-NaYF4:Er3+ nanoparticles in an organic-inorganic hybrid 1D photonic crystal
Hofmann, C.; Fischer, S.; Reitz, C.; Richards, B.S.; Goldschmidt, J.C.
Konferenzbeitrag
2016Upconversion in a Bragg structure: Photonic effects of a modified local density of states and irradiance on luminescence and upconversion quantum yield
Hofmann, C.; Herter, B.; Fischer, S.; Gutmann, J.; Goldschmidt, J.C.
Zeitschriftenaufsatz
2015Enhanced energy conversion of up-conversion solar cells by the integration of compound parabolic concentrating optics
Arnaoutakis, G.E.; Marques-Hueso, J.; Ivaturi, A.; Fischer, S.; Goldschmidt, J.C.; Krämer, K.W.; Richards, B.S.
Zeitschriftenaufsatz
2015Record efficient upconverter solar cell devices with optimized bifacial silicon solar cells and monocrystalline BaY2F8:30% Er3+ upconverter
Fischer, S.; Favilla, E.; Tonelli, M.; Goldschmidt, J.C.
Zeitschriftenaufsatz
2015Up-conversion materials for enhanced efficiency of solar cells
Goldschmidt, J.C.; Fischer, S.; Steinkemper, H.; Herter, B.; Wolf, S.; Hallermann, F.; Plessen, G. von; Johnson, J.; Ahrens, B.; Miclea, P.-T.; Schweizer, S.
Aufsatz in Buch
2015Upconversion for photovoltaics - A review of materials, devices and concepts for performance enhancement
Goldschmidt, J.C.; Fischer, S.
Zeitschriftenaufsatz
2015Upconverting core-shell nanocrystals with high quantum yield under low irradiance: On the role of isotropic and thick shells
Fischer, S.; Johnson, N.J.J.; Pichaandi, J.; Goldschmidt, J.C.; Veggel, F.C.J.M. van
Zeitschriftenaufsatz
2014(Bio)hybrid materials based on optically active particles
Reitzig, Manuela; Härtling, Thomas; Opitz, Jörg
Konferenzbeitrag
2014Absolute upconversion quantum yield of beta-NaYF4 doped with Er3+ and external quantum efficiency of upconverter solar cell devices under broad-band excitation considering spectral mismatch corrections
Fischer, S.; Fröhlich, B.; Steinkemper, H.; Krämer, K.W.; Goldschmidt, J.C.
Zeitschriftenaufsatz
2014Enhanced up-conversion for photovoltaics via concentrating integrated optics
Arnaoutakis, G.E.; Marques-Hueso, J.; Ivaturi, A.; Krämer, K.; Fischer, S.; Goldschmidt, J.; Richards, B.S.
Zeitschriftenaufsatz
2014Evaluation of low energy electron beam dose application by means of a portable optical device
Reitzig, Manuela; Winkler, Martin; Härtling, Thomas; Röder, Olaf; Opitz, Jörg
Zeitschriftenaufsatz
2014Organic upconverters embedded in a Bragg structure
Hofmann, C.; Herter, B.; Gutmann, J.; Löffler, J.; Fischer, S.; Wolf, S.; Piper, R.; Ekins-Daukes, N.J.; Treat, N.; Goldschmidt, J.C.
Konferenzbeitrag
2014Record efficient upconverter solar cell devices
Goldschmidt, J.C.; Fischer, S.; Herter, B.; Fröhlich, B.; Krämer, K.W.; Richards, B.S.; Ivaturi, A.; MacDougall, S.K.W.; Marques Hueso, J.; Favilla, E.; Tonelli, M.
Konferenzbeitrag
2014Relation between excitation power density and Er3+ doping yielding the highest absolute upconversion quantum yield
Fischer, S.; Fröhlich, B.; Krämer, K.W.; Goldschmidt, J.C.
Zeitschriftenaufsatz
2014Upconversion quantum yield of Er3+-doped Beta-NaYf4 and Gd2O2s: The effects of host lattice, Er3+ doping, and excitation spectrum bandwidth
Fischer, S.; Martín-Rodríguez, R.; Fröhlich, B.; Krämer, K.; Meijerink, A.; Goldschmidt, J.
Zeitschriftenaufsatz
2014Upconverter silicon solar cell devices for efficient utilization of sub-band-gap photons under concentrated solar radiation
Fischer, S.; Ivaturi, A.; Fröhlich, B.; Rüdiger, M.; Richter, A.; Krämer, K.; Richards, B.; Goldschmidt, J.
Zeitschriftenaufsatz
2014Using the full solar spectrum with upconverter devices
Fischer, S.; Goldschmidt, J.C.
Zeitschriftenaufsatz
2013Highly efficient IR to NIR upconversion in Gd2O2S: Er3+ for photovoltaic applications
Martín-Rodríguez, R.; Fischer, S.; Ivaturi, A.; Froehlich, B.; Krämer, K.W.; Goldschmidt, J.C.; Richards, B.S.; Meijerink, A.
Zeitschriftenaufsatz
2013Increased upconversion quantum yield in photonic structures due to local field enhancement and modification of the local density of states - a simulation-based analysis
Herter, B.; Wolf, S.; Fischer, S.; Gutmann, J.; Bläsi, B.; Goldschmidt, J.C.
Zeitschriftenaufsatz
2013Photonic structures for enhanced upconversion
Herter, B.; Wolf, S.; Fischer, S.; Gutmann, J.; Bläsi, B.; Goldschmidt, J.C.
Konferenzbeitrag
2013Stark level analysis of the spectral line shape of electronic transitions in rare earth ions embedded in host crystals
Steinkemper, H.; Fischer, S.; Hermle, M.; Goldschmidt, J.C.
Zeitschriftenaufsatz
2010Saturation effects in the upconversion efficiency of Er-doped fluorozirconate glasses
Henke, B.; Pientka, F.; Johnson, J.A.; Ahrens, B.; Miclea, P.T.; Schweizer, S.
Zeitschriftenaufsatz
2009Upconverted fluorescence in Nd3+- doped barium chloride single crystals
Ahrens, B.; Miclea, P.T.; Schweizer, S.
Zeitschriftenaufsatz
2008Neodymium-doped fluorochlorozirconate glasses as an upconversion model system for high efficiency solar cells
Ahrens, B.; Löper, P.; Goldschmidt, J.C.; Glunz, S.; Henke, B.; Miclea, P.T.; Schweizer, S.
Zeitschriftenaufsatz
2008Paramagnetic hyperfine splitting in the Eu-151 Mössbauer spectra of CaF2:Eu2+
Selling, J.; Bielemeier, B.; Wortmann, G.; Johnson, J.A.; Alp, E.E.; Chen, T.; Brown, D.E.; Johnson, C.E.; Schweizer, S.
Zeitschriftenaufsatz
2008Structural and optical investigations of Nd-doped fluorozirconate-based glass ceramics for enhanced upconverted fluorescence
Ahrens, B.; Eisenschmidt, C.; Johnson, J.A.; Miclea, P.T.; Schweizer, S.
Zeitschriftenaufsatz
1995Chipset for a single-board MPEG-2 SSP@H-1440L HDTV-decoder
Selinger, T.; Block, M.; Kanold, P.; Talmi, M.; Yan, W.; Zhang, W.; Zieger, M.
Konferenzbeitrag