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Artikel in Fachzeitschriften

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  • Direct laser written polymer waveguides with out of plane couplers for optical chips

    A. Landowski, D. Zepp, S. Wingerter, G. von Freymann, and A. Widera
    APL Photonics in press (2017)

2017

  • Ultrafast 3D High Precision Printing of Micro Structures for Optical Instrument Calibration Procedures

    Felix Ströer, Julian Hering, Matthias Eifler, Indek Raid, Georg von Freymann, and Jörg Seewig
    Additive Manufacturing 18, 22 (2017)

  • Time-stretched real-time measurement technique for ultrafast absorption variations with TS/s sampling-rate

    S. Weber, E. H. Waller, Ch. Kaiser, and G. von Freymann
    Optics Express 25, 14125 (2017)

  • Interferometry-aided terahertz time-domain spectroscopy

    D. Molter, M. Trierweiler, F. Ellrich, J. Jonuscheit, and G. von Freymann
    Optics Express 25, 7547 (2017)

  • Plasmonic modulator with >170 GHz bandwidth demonstrated at 100 GBd NRZ

    C. Hoessbacher, A. Josten, B. Baeuerle, Y. Fedoryshyn, H. Hettrich, Y. Salamin, W. Heni, C. Haffner, C. Kaiser, R. Schmid, D. L. Elder, D. Hillerkuss, M. Möller, L. R. Dalton, and J. Leuthold
    Optics Express 25, 1762 (2017)

2016

  • Automated aberration correction of arbitrary laser-modes in high numerical aperture systems

    Julian Hering, Erik H. Waller and Georg von Freymann
    Optics Express 24, 28500 (2016)

  • Spatio-temporal proximity characteristics in 3D μ-printing via multi-photon-absorption

    Erik H. Waller and Georg von Freymann
    Polymers 8, 297 (2016)

  • Highly accurate thickness measurement of multi-layered automotive paints using terahertz technology

    Soufiene Krimi, Jens Klier, Joachim Jonuscheit, Georg von Freymann, Ralph Urbansky, and René Beigang
    Applied Physics Letters 109, 021105 (2016)

  • New class of hyperpolarizable push-pull organic chromophores by applying a novel and convenient synthetic strategy

    S. Farsadpour, L. Taghizadeh Ghoochany, Ch. Kaiser, and G. von Freymann
    Dyes and Pigments 127, 73 (2016)

2015

  • THz waveform generation for S21-parameter measurements using a fiber-coupled optical pulse shaper

    Jan-Martin Rämer and G. von Freymann
    Optics Express 23, 30872 (2015)

  • Influence of Substrate Material on Radiation Characteristics of THz Photoconductive Emitters

    Jens Klier, Garik Torosyan, Nina Susan Schreiner, Daniel Molter, Frank Ellrich, Wissem Zouaghi, Emilien Peytavit, Jean-François Lampin, René Beigang, Joachim Jonuscheit, and Georg von Freymann
    International Journal of Antennas and Propagation 2015, 540175 (2015)

  • Optically-Reconfigurable Magnetic Materials

    M. Vogel, A. V. Chumak, E. H. Waller, T. Langner, V. I. Vasyuchka, B. Hillebrands, and G. von Freymann
    Nature Physics 11, 487 (2015)

2014

  • Influence of Direct Laser Written 3D Topographies on Proliferation and Differentiation of Osteoblast-like Cells: Towards improved implant surfaces

    Judith K. Hohmann and Georg von Freymann

    Adv. Funct. Materials 24, 6573 (2014)

2013

  • Independent spatial intensity, phase and polarization distributions

    Erik H. Waller and Georg von Freymann
    Optics Express 21, 28167 (2013)

    Also published in: Virtual Journal for Biomedical Optics, Vol. 9, Iss. 1 (2014)

  • Multi foci with diffraction limited resolution

    Erik H. Waller and Georg von Freymann
    Optics Express 21, 21708 (2013)

    Also published in: Virtual Journal for Biomedical Optics, Vol. 8, Iss. 10 (2013)

  • Generation and detection of terahertz radiation up to 4.5 THz by LTG GaAs photoconductive antennas excited at 1560 nm

    J.-M. Rämer, F. Ospald, G. von Freymann, and R. Beigang
    Applied Physics Letters 103, 021119 (2013)

2012

  • Visible light Laue diffraction from woodpile photonic crystals

    B. Brüser, I. Staude, G. von Freymann, M. Wegener, and U. Pietsch
    Appl. Opt. 51, 6732 (2012)

  • Electrochromic Bragg Mirror, ECBM

    E. Redel, J. Mlynarski, J. Moir, A. Jelle, C. Huai, S. Petrov, M. G. Helander, F. C. Peiris, G. von Freymann, G. A. Ozin
    Adv. Mater. 24, OP265 (2012)

  • Direct laser writing-mediated generation of standardized topographies for dental implant surface optimization

    R. Wittig, E. Waller, G. von Freymann, and R. Steiner

    J. Laser Appl. 24, 042011 (2012)

  • Spectral tuning of a three-dimensional photonic-bandgap waveguide signature by silica atomic-layer deposition

    I. Staude, G. von Freymann, and M. Wegener

    Opt. Mater. Express 2, 629 (2012)

2011

  • Hierarchical Nanoparticle Bragg Mirrors – Tandem and Gradient Architectures

    E. Redel, C. Huai, M. Renner, G. von Freymann, G. A. Ozin
    Small 7, 3465 (2011)

  • Direct laser writing for active and passive high-Q polymer microdisks on silicon

    T. Grossmann, S. Schleede, M. Hauser, T. Beck, M. Thiel, G. von Freymann, T. Mappes, H. Kalt
    Optics Express 19, 11451 (2011)

  • Three-dimensional Biofunctionalized Patterns of Composite-Polymer Scaffolds for Controlled Cell Adhesion

    F. Klein, B. Richter, Th. Striebel, C. M. Franz, G. von Freymann, M. Wegener, and M. Bastmeyer
    Adv. Mater. 23, 1341 (2011)

  • Waveguides in three-dimensional photonic-band-gap materials by direct laser writing and silicon double inversion

    I. Staude, G. von Freymann, S. Essig, K. Busch, and M. Wegener
    Opt. Lett. 36, 67 (2011)

2010

  • Direct laser writing of three-dimensional submicron structures using a continous-wave laser at 532 nm

    M. Thiel, J. Fischer, G. von Freymann, and M. Wegener
    Appl. Phys. Lett. 97, 221102 (2010)

  • The materials challenge in diffraction-unlimited direct-laser-writing optical lithography

    J. Fischer, G. von Freymann, and M. Wegener
    Adv. Mater. 22, 3578 (2010)

  • Rhombicuboctahedral three-dimensional photonic quasicrystals

    A. Ledermann, M. Wegener, and G. von Freymann
    Adv. Mater. 22, 2363 (2010)

  • Fabrication and characterization of silicon woodpile photonic crystals with a complete bandgap at telecom wavelengths

    I. Staude, M. Thiel, S. Essig, C. Wolff, K. Busch, G. von Freymann, and M. Wegener
    Opt. Lett. 35, 1094 (2010)

  • Elastic fully three-dimensional microstructure scaffolds for cell force measurements

    F. Klein, T. Striebel, J. Fischer, Z. Jiang, C.M. Franz, G. von Freymann, M. Wegener, M. Bastmeyer
    Adv. Mater. 22, 868 (2010)

  • Three-dimensional chiral photonic superlattices

    M. Thiel, H. Fischer, G. von Freymann, and M. Wegener
    Opt. Lett. 35, 166 (2010)

2009

  • Transition between corrugated metal films and split-ring-resonator arrays

    C.E. Kriegler, M.S. Rill, M. Thiel, E. Müller, S. Essig, A. Frölich, G. von Freymann, S. Linden, D. Gerthsen, H. Hahn, K. Busch, and M. Wegener
    Appl. Phys. B 96, 749 (2009)

  • Gold helix photonic metamaterial as broadband circular polarizer

    J.K. Gansel, M. Thiel, M.S. Rill, M. Decker, K. Bade, V. Saile, G. von Freymann, S. Linden, and M. Wegener
    Science 325, 1513 (2009) (full version PDF download)
    Supporting Online Material (PDF)

  • Multiple scattering of light in three-dimensional photonic quasicrystals

    A. Ledermann, D.S. Wiersma, M. Wegener, and G. von Freymann
    Opt. Express 17, 1844 (2009)

  • Transition between corrugated metal films and split-ring-resonator array

    M.S. Rill, C.E. Kriegler, M. Thiel, G. von Freymann, S. Linden, and M. Wegener
    Opt. Lett. 34, 19 (2009)

2008

  • Photonic Metamaterials by Direct Laser Writing and Silver Chemical Vapor Deposition

    M.S. Rill, C. Plet, M. Thiel, I. Staude, G. von Freymann, S. Linden, M. Wegener
    Nature Materials 7, 543 (2008)

  • Spatially localized photoluminescence at 1.5 micrometers wavelength in direct laser written 3D structures

    S. Wong, O. Kiowski, M. Kappes, J. Lindner, N. Mandal, F.C. Peiris, G.A. Ozin, M. Thiel, M. Braun, M. Wegener, G. von Freymann
    Advanced materials 20, 4097 (2008), front cover

2007

  • Periodic nanostructures for photonics

    K. Busch, G. von Freymann, S. Linden, S.F. Mingaleev, L. Tkeshelashvili, and M. Wegener
    Phys. Rep. 444, 101 (2007)

  • Highly Selective Wet Etch for High Resolution Direct Laser Writing of Three-dimensional Nanostructures in Arsenic Sulfide All Inorganic Photoresist

    S. H. Wong, P. Brodersen, M. Thiel, D. Fenske, G.A. Ozin, M. Wegener, G. von Freymann
    Chemistry of Materials, 19, 4213 (2007)

  • Effect of Disorder on the Optically Amplified Photocatalytic Efficiency of Titania Inverse Opals

    J.I.L. Chen, G. von Freymann, V. Kitaev, G.A. Ozin
    J. Am. Chem. Soc. 129, 1196 (2007)

  • Polarization stop bands in chiral polymeric three-dimensional photonic crystals

    M. Thiel, M. Decker, M. Deubel, M. Wegener, S. Linden, G. von Freymann
    Adv. Mater. 19, 207 (2007)

2006

  • Two-color pump-probe experiments on silicon inverse opals

    C. Becker, S. Linden, G. von Freymann, N. Tétreault, E. Vekris, V. Kitaev, G.A. Ozin, M. Wegener
    Phys. Stat. Sol. B 243, 2354 (2006)

  • Three-dimensional silicon inverse photonic quasicrystals for infrared wavelengths

    A. Ledermann, L. Cademartiri, M. Hermatschweiler, C. Toninelli, G.A. Ozin, D.S. Wiersma, M. Wegener, G. von Freymann
    Nature Materials 5, 942 (2006)

  • 3D-2D-3D photonic crystals heterostructures by direct laser writing

    M. Deubel, M. Wegener, S. Linden, G. von Freymann, S. John
    Opt. Lett. 31, 805 (2006)

  • Multigam Scale, Solventless and Diffusion-Controlled Route to Highly Monodisperse PbS Nanocrystals

    L. Cademartiri, J. Bertolotti, R. Sapienza, D.S. Wiersma, G. von Freymann, G.A. Ozin
    J. Phys. Chem. B 110, 671 (2006)

  • Direct Laser Writing of Three-Dimensional Photonic Crystals with a Complete Photonic Bandgap in Chalcogenide Glasses

    S. Wong, M. Deubel, F.P. Pérez-Willard, S. John, G.A. Ozin, M. Wegener, G. von Freymann
    Adv. Mater. 18, 26 (2006)

  • New Route to Three-Dimensional Photonic Bandgap Materials: Silicon Double Inversion of Polymer Templates

    N. Tétreault, G. von Freymann, M. Deubel, M. Hermatschweiler, F. Pérez-Willard, S. John, M. Wegener, G.A. Ozin
    Adv. Mat. 18, 457 (2006)

    In the Top 10 most downloaded articles in Adv. Mater. in February 2006

  • Elastic Photonic Crystals: From Color Fingerprinting to Enhancement of Photoluminescence

    A.C. Arsenault, T.J. Clark, G. von Freymann, L. Cademartiri, E. Vekris, S. Wong, V. Kitaev, I. Manners, S. John, G.A. Ozin
    Nature Materials 5, 179 (2006) frontcover

2005

  • Nanocrystals as single-source precursors for flexible functional films

L. Cademartiri, G. von Freymann, A.C. Arsenault, J. Bertolotti, D.S. Wiersma, V. Kitaev, G.A. Ozin
Small 1, 1184 (2005)

  • Redox Tunable Defects in Colloidal Photonic Crystals

F. Fleischhaker, A.C. Arsenault, Z. Wang, V. Kitaev, F.C. Peiris, G. von Freymann, I. Manners, R. Zentel, G.A. Ozin
Adv. Mater. 17, 2455 (2005) inside front cover

  • Angle-resolved transmission spectroscopy of three-dimensional Photonic Crystals fabricated by direct laser writing

M. Deubel, M. Wegener, S. Linden, G. von Freymann
Appl. Phys. Lett. 87, 221104 (2005)

  • Two-color pump-probe experiments on silicon inverse opals

C. Becker, S. Linden, G. von Freymann, M. Wegener, N. Tétreault, V. Kitaev, G.A. Ozin
Appl. Phys. Lett. 87, 091111 (2005)

  • Photochemically and Thermally Tunable Planar Defects in Colloidal Photonic Crystals

F. Fleischhaker, A.C. Arsenault, V. Kitaev, F.C. Peiris, G. von Freymann, I. Manners, R. Zentel, G.A. Ozin
J. Am. Chem. Soc. 127, 9318 (2005)

  • Buried Linear Extrinsic Defects in Colloidal Photonic Crystals

E. Vekris, V. Kitaev, G. von Freymann, D. Perovic, J.S. Aitchison, G.A. Ozin
Adv. Mat. 17, 1269 (2005)

  • Enhanced coupling to slow photon modes in three-dimensional graded colloidal photonic crystals

G. von Freymann, S. John, V. Kitaev, G.A. Ozin
Adv. Mater. 17, 1273 (2005)

  • Measurement of group velocity dispersion for finite size three-dimensional photonic crystals in the near infrared spectral region

G. von Freymann, S. John, S. Wong, V. Kitaev, G.A. Ozin
Appl. Phys. Lett. 86, 053108 (2005)

  • Colloidal Crystal Capillary Columns - Towards an Optical Chromatography

U. Kamp, V. Kitaev, G. von Freymann, G.A. Ozin, S.A. Mabury
Adv. Mat. 17, 438 (2005) front cover

2004

  • Sub-nanometer precision modification of the optical properties of three-dimensional polymer-based photonic crystals

    G. von Freymann, V. Kitaev, T.Y. Chan, S. John, G.A. Ozin, M. Deubel, M. Wegener
    Photonics and Nanostructures 2, 191 (2004)

  • Direct laser writing of three-dimensional photonic-crystal templates for telecommunications

    M. Deubel, G. von Freymann, M. Wegener, S. Pereira, K. Busch, C.M. Soukoulis
    Nature Materials 3, 444 (2004)

  • Tungsten inverse opals: The influence of absorption on the photonic band structure in the visible spectral region

    G. von Freymann, S. John, M. Schulz-Dobrick, E. Vekris, N. Tetreault, S. Wong, V. Kitaev, G.A. Ozin
    Appl. Phys. Lett. 84, 224 (2004)

2003

  • Diffraction properties of two-dimensional photonic crystals

    G. von Freymann, W. Koch, D.C. Meisel, M. Wegener, M. Diem, A. Garcia-Martin, S. Pereira, K. Busch, J. Schilling, R.B. Wehrspohn, U. Gösele
    Appl. Phys. Lett. 83, 614 (2003)

  • Three-dimensional face-centered-cubic Photonic Crystal Templates by Laser Holography: Fabrication, Optical Characterization, and Bandstructure Calculations

    Y.V. Miklyaev, D.C. Meisel, G. von Freymann, K. Busch, W. Koch, C. Enkrich, M. Deubel, M. Wegener
    Appl. Phys. Lett. 82, 1284 (2003)

2002

  • Investigations on phonon-mechanism in CdSe/ZnSe quantum islands using time-resolved near-field spectroscopy

    B. Dal Don, R. Dianoux, S. Wachter, E. Kurtz, G. von Freymann, U. Neuberth, C. Klingshirn, M. Wegener, H. Kalt
    Physica Status Solidi A 190, 533 (2002)

  • Spatial autocorrelation analysis of nano-photoluminescence image of single GaAs quantum wells

    U. Neubert, L. Walter, G. von Freymann, T. Schimmel, M. Wegener, G. Khitrova, H.M. Gibbs
    Appl. Phys. Lett. 81, 1881 (2002)

  • Level repulsion in nanophotoluminescence spectra from single GaAs quantum wells

    G. von Freymann, U. Neuberth, M. Deubel, M. Wegener, G. Khitrova, H.M. Gibbs
    Phys. Rev. B. 65, 205327 (2002)

  • Combining a scanning near-field optical microscope with a picosecond streak camera: Statistical analysis of excitation kinetics in GaAs single-quantum wells

    U. Neuberth, L. Walter, G. von Freymann, B. Dal Don, H. Kalt, M. Wegener, G. Khitrova, H.M. Gibbs
    Appl. Phys. Lett. 80, 3340 (2002)

  • Influence of the quantum island distribution on relaxation of localized excitons in CdSe/ZnSe heterostructures

    B. Dal-Don, R. Dianoux, S. Wachter, M. Schmidt, E. Kurtz, G. von Freymann, U.  Neuberth, C. Klingshirn, M. Wegener, H. Kalt
    Physica Status Soli B 229, 463 (2002)

2001

  • Autocorrelation spectroscopy on single ultrathin layers of CdSe/ZnSe: hints for a non-thermal distribution of excitons in quantum islands

    G. von Freymann, E. Kurz, C. Klingshirn, D. Litvinov, D. Gerthsen, Th. Schimmel, M. Wegener
    Journal of Microscopy 202, 218 (2001)