Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Spontaneous parametric down-conversion of photons at 660 nm to the terahertz and sub-terahertz frequency range
Haase, Björn; Kutas, Mirco; Riexinger, Felix; Bickert, Patricia; Keil, Andreas; Molter, Daniel; Bortz, Michael; Freymann, Georg von
Journal Article
2019Terahertz cross-correlation spectroscopy driven by incoherent light from a superluminescent diode
Molter, Daniel; Kolano, Michael; Freymann, Georg von
Journal Article
2018Bragg stacks with tailored disorder create brilliant whiteness
Meiers, D.T.; Heep, Marie-Christin; Freymann, Georg von
Journal Article
2018Four-channel terahertz time-domain spectroscopy system for industrial pipe inspection
Klier, Jens; Kharik, Dmytro; Zwetow, Wladimir; Gundacker, Dominic; Weber, Stefan; Molter, Daniel; Ellrich, Frank; Joachim Jonuscheit; Freymann, Georg von
Conference Paper
2018Interferometry-aided terahertz time-domain spectroscopy for robust measurements in reflection
Molter, Daniel; Weber, Stefan; Pfeiffer, Tobias; Klier, Jens; Bachtler, Sebastian; Ellrich, Frank; Jonuscheit, Joachim; Freymann, Georg von
Conference Paper
2018Polarization conversion effect in biological and synthetic photonic diamond structures
Wu, Xia; Rodriguez-Gallegos, Fernando L.; Heep, Marie-Christin; Schwind, Bertram; Li, Guixin; Fabritius, Helge-Otto; Freymann, Georg von; Förstner, Jens
Journal Article
2018Single-laser polarization-controlled optical sampling system for THz-TDS
Kolano, Michael; Boidol, Oliver; Weber, Stefan; Molter, Daniel; Freymann, Georg von
Conference Paper
2018Single-laser, polarization-controlled optical sampling systeme
Kolano, Michael; Boidol, Oliver; Molter, Daniel; Freymann, Georg von
Journal Article
2018Vorrichtung und Verfahren zum zeitaufgelösten Erfassen gepulster elektromagnetischer Hochfrequenzstrahlung
Jonuscheit, Joachim; Klier, Jens; Molter, Daniel; Freymann, Georg von
Patent
2017Organische, nicht lineare optische Chromophore
Farsadpour, Saeid; Taghizadeh Ghoochany, Leila; Kaiser, Christoph; Freymann, Georg von
Patent
2017Temporal defects in photonic topological insulators
Jörg, Christina I.; Letscher, Fabian; Fleischhauer, Michael; Freymann, Georg von
Conference Paper
2017Thickness determination of wet coatings using self-calibration method
Weber, Stefan; Ellrich, Frank; Paustian, Stephan; Güttler, Nico; Tiedje, Oliver; Jonuscheit, Joachim; Freymann, Georg von
Conference Paper
2016Automated aberration correction of arbitrary laser modes in high numerical aperture systems
Hering, Julian; Waller, Erik H.; Freymann, Georg von
Journal Article
2016Highly accurate thickness measurement of multi-layered automotive paints using terahertz technology
Krimi, Soufiene; Klier, Jens; Jonuscheit, Joachim; Freymann, Georg von; Urbansky, Ralph; Beigang, René
Journal Article
2016Influence of direct laser written 3D topographies on biological cells
Hohmann, J.K.
: Freymann, Georg von (Betreuer)
Dissertation
2016Interferometry-aided delay lines for high-precision terahertz time-domain spectroscopy
Molter, Daniel; Trierweiler, Manuel; Ellrich, Frank; Jonuscheit, Joachim; Freymann, Georg von
Conference Paper
2016New class of hyperpolarizable push-pull organic chromophores by applying a novel and convenient synthetic strategy
Farsadpour, S.; Taghizadeh Ghoochany, L.; Kaiser, Christoph; Freymann, Georg von
Journal Article
2016Self-calibrating approach for terahertz thickness measurements of ceramic coatings
Krimi, Soufiene; Klier, Jens; Jonuscheit, Joachim; Freymann, Georg von; Urbansky, Ralph; Beigang, René
Conference Paper
2016Spatio-temporal proximity characteristics in 3D μ-printing via multi-photon absorption
Waller, Erik Hagen; Freymann, Georg von
Journal Article
2016Terahertz time-domain technology for thickness determination of industrial relevant multi-layer coatings
Ellrich, Frank; Klier, Jens; Weber, Stefan; Jonuscheit, Joachim; Freymann, Georg von
Conference Paper
2016THz technology - from hype to market
Freymann, Georg von; Jonuscheit, Joachim
Journal Article
2015Calibration of z-axis linearity for arbitrary optical topography measuring instruments
Eifler, Matthias; Seewig, Jörg; Hering, Julian; Freymann, Georg von
Conference Paper
2015Die Entwicklung der Terahertz-Technik - vom Hype zum Markt
Freymann, Georg von; Jonuscheit, Joachim
Journal Article
2015An evolutionary algorithm based approach to improve the limits of minimum thickness measurements of multilayered automotive paints
Krimi, Soufiene; Klier, Jens; Ellrich, Frank; Jonuscheit, Joachim; Urbansky, R.; Beigang, René; Freymann, Georg von
Conference Paper
2015Optischer Analog-Digital-Wandler
Kaiser, Christoph; Weber, Stefan; Freymann, Georg von
Patent
2015Spatial correlations and optical properties in three-dimensional deterministic aperiodic structures
Renner, Michael; Freymann, Georg von
Journal Article
2015A terahertz time-domain spectroscopy-based network analyzer
Rämer, Jan-Martin; Freymann, Georg von
Journal Article
2015Terahertz waveform generation for S21-parameter measurements using a fiber-coupled optical pulse shaper
Rämer, Jan-Martin; Freymann, Georg von
Journal Article
2015Three-dimensional μ-printing: An enabling technology
Hohmann, Judith K.; Renner, Michael; Waller, Erik H.; Freymann, Georg von
Journal Article
2015Vorrichtung und Verfahren zur optoelektrischen S-Parameter-Charakterisierung elektrischer Bauteile im Frequenzbereich oberhalb von 100 GHz
Rämer, Jan-Martin; Freymann, Georg von
Patent
2014Influence of direct laser written 3D topographies on proliferation and differentiation of osteoblast-like cells: Towards improved implant surfaces
Hohmann, Judith K.; Freymann, Georg von
Journal Article
2013Generation and detection of terahertz radiation up to 4.5 THz by low-temperature grown GaAs photoconductive antennas excited at 1560 nm
Rämer, Jan-Martin; Ospald, Frank; Freymann, Georg von; Beigang, René
Journal Article
2013Generation and detection of THz radiation up to 4.5 THz using LTG-GaAs PCAs illuminated at 1560 nm
Rämer, Jan-Martin; Ospald, Frank; Freymann, Georg von; Beigang, René
Conference Paper
2013Magnification dependent dispersion penalty studied with resonator-based time-stretch oscilloscope
Reinheimer, Christoph; Weber, Stefan; Freymann, Georg von
Conference Paper
2013A resonator-based time-stretch oscilloscope with variable magnification
Weber, Stefan; Reinheimer, Christoph; Freymann, Georg von
Conference Paper
2013A resonator-based time-stretch oscilloscope with variable magnification and time-aperture
Weber, Stefan; Reinheimer, Christoph; Freymann, Georg von
Abstract
2012Zeitlinsenaufbau mit variabler Vergrößerung
Freymann, Georg von; Weber, Stefan
Patent