Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2021Define and measure the dimensional accuracy of two-photon laser lithography based on its instrument transfer function
Dai, Gaoliang; Hu, Xiukun; Hering, Julian; Eifler, Matthias; Seewig, Jörg; Freymann, Georg von
Zeitschriftenaufsatz
2021First demonstration of nonlinear interferometry in the terahertz frequency range
Haase, Björn; Kutas, Mirco; Bickert, Patricia; Riexinger, Felix; Molter, Daniel; Freymann, Georg von
Konferenzbeitrag
2021Mail Inspection Based on Terahertz Time-Domain Spectroscopy
Molter, Daniel; Hübsch, Daniel; Sprenger, Thorsten; Hens, Korbinian; Nalpantidis, Konstantinos; Platte, Frank; Torosyan, Garik; Beigang, Rene; Jonuscheit, Joachim; Freymann, Georg von; Ellrich, Frank
Zeitschriftenaufsatz
2021Photosensitive Material Enabling Direct Fabrication of Filigree 3D Silver Microstructures via Laser-Induced Photoreduction
Waller, Erik H.; Karst, Julian; Freymann, Georg von
Letter to the Editor
2021Quantum-inspired terahertz spectroscopy with visible photons
Kutas, Mirco; Haase, Björn; Klier, Jens; Molter, Daniel; Freymann, Georg von
Zeitschriftenaufsatz
2021Simulation Model for Direct Laser Writing of Metallic Microstructures Composed of Silver Nanoparticles
Palmer, Thomas; Waller, Erik H.; Andrä, Heiko; Steiner, Konrad; Freymann, Georg von
Zeitschriftenaufsatz
2021Tailored Disorder in Photonics: Learning from Nature
Rothammer, Maximilian; Zollfrank, Cordt; Busch, Kurt; Freymann, Georg von
Zeitschriftenaufsatz
2021Two decades of terahertz cross-correlation spectroscopy
Molter, Daniel; Klier, Jens; Weber, Stefan; Kolano, Michael; Jonuscheit, Joachim; Freymann, Georg von
Zeitschriftenaufsatz
2020Comparison of material measures for areal surface topography measuring instrument calibration
Eifler, M.; Hering, J.; Seewig, J.; Leach, R.K.; Freymann, Georg von; Hu, X.; Dai, G.
Zeitschriftenaufsatz
2020Generalized laws of refraction and reflection at interfaces between different photonic artificial gauge fields
Cohen, Moshe-Ishay; Jörg, Christina; Lumer, Yaakov; Plotnik, Yonatan; Waller, Erik H.; Schulz, Julian; Freymann, Georg von; Segev, Mordechai
Zeitschriftenaufsatz
2020Optical elements for anisotropic spin-wave propagation
Vogel, M.; Pirro, P.; Hillebrands, B.; Freymann, Georg von
Zeitschriftenaufsatz
2020Performance specification of areal surface texture instruments exemplified by a self-built WLI
Bulun, Georgis; Eifler, Matthias; Hering, Julian; Freymann, Georg von; Seewig, Jörg
Konferenzbeitrag
2020Quantum-inspired terahertz spectroscopy with visible photons
Kutas, Mirco; Haase, Björn; Klier, Jens; Molter, Daniel; Freymann, Georg von
Preprint
2020Spin-Wave Optical Elements: Towards Spin-Wave Fourier Optics
Vogel, Marc; Hillebrands, Burkhard; Freymann, Georg von
Preprint
2020Terahertz detection by upconversion to the near-infrared using picosecond pulses
Pfeiffer, Tobias; Kutas, Mirco; Haase, Björn; Molter, Daniel; Freymann, Georg von
Zeitschriftenaufsatz
2020Zerstörungsfrei und berührungslos: robotergestützte Schichtdicken­messung in der Fertigung
Klier, Jens; Weber, Stefan; Molter, Daniel; Freymann, Georg von; Jonuscheit, Joachim
Zeitschriftenaufsatz
2019Limits of topological protection under local periodic driving
Fedorova, Z.; Jörg, C.; Dauer, C.; Letscher, F.; Fleischhauer, M.; Eggert, S.; Linden, S.; Freymann, Georg von
Zeitschriftenaufsatz
2019Rapid thickness measurement with a SLAPCOPS-based terahertz TDS system
Kolano, Michael; Boidol, Oliver; Molter, Daniel; Freymann, Georg von
Konferenzbeitrag
2019SLD-driven terahertz cross-correlation spectroscopy
Molter, Daniel; Kolano, Michael; Freymann, Georg von
Konferenzbeitrag
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
Zeitschriftenaufsatz
2019Terahertz cross-correlation spectroscopy driven by incoherent light from a superluminescent diode
Molter, Daniel; Kolano, Michael; Freymann, Georg von
Zeitschriftenaufsatz
2019User-oriented evaluation of the metrological characteristics of areal surface topography measuring instruments
Eifler, M.; Ströer, F.; Hering, J.; Freymann, Georg von; Seewig, J.
Konferenzbeitrag
2019Zerstörungsfreie Schichtdickenmessung an Nassfilmen
Klier, Jens; Weber, Stefan; Molter, Daniel; Freymann, Georg von; Jonuscheit, Joachim
Zeitschriftenaufsatz
2018Bragg stacks with tailored disorder create brilliant whiteness
Meiers, D.T.; Heep, Marie-Christin; Freymann, Georg von
Zeitschriftenaufsatz
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
Konferenzbeitrag
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
Konferenzbeitrag
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
Zeitschriftenaufsatz
2018Single-laser polarization-controlled optical sampling system for THz-TDS
Kolano, Michael; Boidol, Oliver; Weber, Stefan; Molter, Daniel; Freymann, Georg von
Konferenzbeitrag
2018Single-laser, polarization-controlled optical sampling systeme
Kolano, Michael; Boidol, Oliver; Molter, Daniel; Freymann, Georg von
Zeitschriftenaufsatz
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
Konferenzbeitrag
2017Thickness determination of wet coatings using self-calibration method
Weber, Stefan; Ellrich, Frank; Paustian, Stephan; Güttler, Nico; Tiedje, Oliver; Jonuscheit, Joachim; Freymann, Georg von
Konferenzbeitrag
2016Automated aberration correction of arbitrary laser modes in high numerical aperture systems
Hering, Julian; Waller, Erik H.; Freymann, Georg von
Zeitschriftenaufsatz
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
Zeitschriftenaufsatz
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
Konferenzbeitrag
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
Zeitschriftenaufsatz
2016Self-calibrating approach for terahertz thickness measurements of ceramic coatings
Krimi, Soufiene; Klier, Jens; Jonuscheit, Joachim; Freymann, Georg von; Urbansky, Ralph; Beigang, René
Konferenzbeitrag
2016Spatio-temporal proximity characteristics in 3D μ-printing via multi-photon absorption
Waller, Erik Hagen; Freymann, Georg von
Zeitschriftenaufsatz
2016Terahertz time-domain technology for thickness determination of industrial relevant multi-layer coatings
Ellrich, Frank; Klier, Jens; Weber, Stefan; Jonuscheit, Joachim; Freymann, Georg von
Konferenzbeitrag
2016THz technology - from hype to market
Freymann, Georg von; Jonuscheit, Joachim
Zeitschriftenaufsatz
2015Calibration of z-axis linearity for arbitrary optical topography measuring instruments
Eifler, Matthias; Seewig, Jörg; Hering, Julian; Freymann, Georg von
Konferenzbeitrag
2015Die Entwicklung der Terahertz-Technik - vom Hype zum Markt
Freymann, Georg von; Jonuscheit, Joachim
Zeitschriftenaufsatz
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
Konferenzbeitrag
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
Zeitschriftenaufsatz
2015A terahertz time-domain spectroscopy-based network analyzer
Rämer, Jan-Martin; Freymann, Georg von
Zeitschriftenaufsatz
2015Terahertz waveform generation for S21-parameter measurements using a fiber-coupled optical pulse shaper
Rämer, Jan-Martin; Freymann, Georg von
Zeitschriftenaufsatz
2015Three-dimensional μ-printing: An enabling technology
Hohmann, Judith K.; Renner, Michael; Waller, Erik H.; Freymann, Georg von
Zeitschriftenaufsatz
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
Zeitschriftenaufsatz
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
Zeitschriftenaufsatz
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
Konferenzbeitrag
2013Magnification dependent dispersion penalty studied with resonator-based time-stretch oscilloscope
Reinheimer, Christoph; Weber, Stefan; Freymann, Georg von
Konferenzbeitrag
2013A resonator-based time-stretch oscilloscope with variable magnification
Weber, Stefan; Reinheimer, Christoph; Freymann, Georg von
Konferenzbeitrag
2013A resonator-based time-stretch oscilloscope with variable magnification and time-aperture
Weber, Stefan; Reinheimer, Christoph; Freymann, Georg von
Zeitschriftenaufsatz
2012Zeitlinsenaufbau mit variabler Vergrößerung
Freymann, Georg von; Weber, Stefan
Patent