Publications of Ralph Ernstorfer

L. Waldecker, R. Bertoni and R. Ernstorfer: Compact femtosecond electron diffractometer with 100 keV electron bunches approaching the single-electron pulse duration limit. Journal of Applied Physics 117 (4), 044903 (2015).

M. Puppin, Y. Deng, O. Prochnow, J. Ahrens, T. Binhammer, U. Morgner, M. Krenz, M. Wolf and R. Ernstorfer: 500 kHz OPCPA delivering tunable sub-20 fs pulses with 15 W average power based on an all-ytterbium laser. Optics Express 23 (2), 1491–1497 (2015).

S. Neppl, R. Ernstorfer, A.L. Cavalieri, C. Lemell, G. Wachter, E. Magerl, E.M. Bothschafter, M. Jobst, M. Hofstetter, U. Kleineberg, J.V. Barth, D. Menzel, J. Burgdörfer, P. Feulner, F. Krausz and R. Kienberger: Direct observation of electron propagation and dielectric screening on the atomic length scale. Nature 517 (7534), 342–346 (2015).

R. Ernstorfer: Im Fokus ultrakurzer Laser: das Wechselspiel von Elektronen und Kristallstruktur. Jahrbuch / Max-Planck-Gesellschaft 9016928 (2015).

M. Müller, A. Paarmann and R. Ernstorfer: Femtosecond electrons probing currents and atomic structure in nanomaterials. Nature Communications 5 (10), 5292 (2014).

A. Schiffrin, T. Paasch-Colberg, N. Karpowicz , V. Apalkov , D. Gerster , S. Mühlbrandt , M. Korbman, J. Reichert , M. Schultze , S. Holzner , J.V. Barth , R. Kienberger, R. Ernstorfer, V.S. Yakovlev , M.I. Stockman and F. Krausz : Addendum: Optical-field-induced current in dielectrics. Nature 507 (7492), 386–387 (2014).

T. Paasch-Colberg, A. Schiffrin, N. Karpowicz, S. Kruchinin, Ö. Sağlam, S. Keiber, O. Razskazovskaya, S. Mühlbrandt, A. Alnaser, M. Kübel, V. Apalkov, D. Gerster, J. Reichert, T. Wittmann, J.V. Barth, M.I. Stockman, R. Ernstorfer, V.S. Yakovlev, R. Kienberger and F. Krausz: Solid-state light-phase detector. Nature Photonics 8 (3), 214–218 (2014).

S. Lüneburg, M. Müller, A. Paarmann and R. Ernstorfer: Microelectrode for energy and current control of nanotip field electron emitters. Applied Physics Letters 103 (21), 213506 (2013).

E. Bothschafter, A. Paarmann, N. Karpowicz, E.S. Zijlstra, M.E. Garcia, F. Krausz, R. Kienberger and R. Ernstorfer: Interband excitation and carrier relaxation as displacive driving force for coherent phonons. EPJ Web of Conferences 41, 04021 (2013).

M. Müller, A. Paarmann, C. Xu and R. Ernstorfer: Coherent Electron Source for Ultrafast Electron Diffraction and Imaging. EPJ Web of Conferences 41, 10007 (2013).

E.M. Bothschafter, A. Paarmann, E.S. Zijlstra, N. Karpowicz, M.E. Garcia, R. Kienberger and R. Ernstorfer: Ultrafast Evolution of the Excited-State Potential Energy Surface of TiO₂ Single Crystals Induced by Carrier Cooling. Physical Review Letters 110 (6), 067402 (2013).

A. Schiffrin, T. Paasch-Colberg, N. Karpowicz , V. Apalkov , D. Gerster , S. Mühlbrandt , M. Korbman, J. Reichert , M. Schultze , S. Holzner , J.V. Barth , R. Kienberger, R. Ernstorfer, V.S. Yakovlev , M.I. Stockman and F. Krausz : Optical-field-induced current in dielectrics. Nature 493 (7430), 70–74 (2013).

A. Paarmann, M. Gulde , M. Müller, S. Schäfer , S. Schweda , M. Maiti, C. Xu, T. Hohage, F. Schenk , C. Ropers and R. Ernstorfer: Coherent femtosecond low-energy single-electron pulses for time-resolved diffraction and imaging: A numerical study. Journal of Applied Physcis 112 (11), 113109 (2012).

S. Neppl, R. Ernstorfer, E.M. Bothschafter , A.L. Cavalieri , D. Menzel, J.V. Barth , F. Krausz, R. Kienberger and P. Feulner: Attosecond Time-Resolved Photoemission from Core and Valence States of Magnesium. Physical Review Letters 109 (8), 087401 (2012).

S. Kahra, G. Leschhorn, M. Kowalewski, A. Schiffrin, E. Botschafter, W. Fuß, R. de Vivie-Riedle, R. Ernstorfer, F. Krausz, R. Kienberger and T. Schaetz: A molecular conveyor belt by controlled delivery of single molecules into ultrashort laser pulses. Nature Physics 8 (3), 238–242 (2012).

T.P.H. Sidiropoulos, N. Di Palo, D.E. Rivas, S. Severino, M. Reduzzi, H.-W. Sun, Y.-H. Chien, B. Nandy, B. Bauerhenne, S. Krylow, T. Vasileiadis, T. Danz, P. Elliott, S. Sharma, K. Dewhurst, C. Ropers, Y. Joly, M.E. Garcia, M. Wolf, R. Ernstorfer and J. Biegert: Attosecond soft X-ray spectroscopy reveals energy flow in a semimetal. In: 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC 2023). IEEE, , 10231494 (2023).

H. Seiler, D. Zahn, M. Zacharias, P.-N. Hildebrandt, T. Vasileiadis, Y.W. Windsor, Y. Qi, C. Carbogno, D. Claudia, R. Ernstorfer and F. Caruso: Momentum-resolved non-radiative energy flow in photoexcited black phosphorus. In: Optics Infobase Conference Papers.in press

T.P.H. Sidiropoulos, N.D. Palo, D.E. Rivas, S. Severino, M. Reduzzi, B. Nandy, B. Bauerhenne, S. Krylow, T. Vasileiadis, T. Danz, P. Elliott, S. Sharma, K. Dewhurst, C. Ropers, Y. Joly, K.M.E. Garcia, M. Wolf, R. Ernstorfer and J. Biegert: Real-time flow of excitation inside a material with attosecond core-level soft X-ray spectroscopy. In: Optics InfoBase Conference Papers., HF5B.1 (2022).

T.P.H. Sidiropoulos, N.D. Palo, D.E. Rivas, S. Severino, M. Reduzzi, B. Nandy, B. Bauerhenne, S. Krylow, T. Vasileiadis, T. Danz, P. Elliott, S. Sharma, K. Dewhurst, C. Ropers, Y. Joly, K.M.E. Garcia, M. Wolf, R. Ernstorfer and J. Biegert: Attosecond core-level spectroscopy reveals the flow of excitation in a material between light, carriers and phonons. In: Optics InfoBase Conference Papers., FM4N.5 (2022).

H. Seiler, M. Krynski, D. Zahn, Y.W. Windsor, T. Vasileiadis, H. Sebastian, J. Pflaum, M. Rossi, R. Ernstorfer and H. Schwoerer: Probing atomic motions accompanying singlet exciton fission in pentacene. In: Proceedings, The 22nd International Conference on Ultrafast Phenomena 2020. OSA, Washington, D.C., Th2A.5 (2020).