B. Keitel

发表

Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH.

E. Plönjes, M. Kuhlmann, T. Mey, 2014, Optics express.

Beam parameters of FLASH beamline BL1 from Hartmann wavefront measurements

E. Plönjes, K. Tiedtke, S. Kapitzki, 2011 .

First operation of a free-electron laser generating GW power radiation at 32 nm wavelength

P. Nicolosi, J. Feldhaus, P. Zambolin, 2006 .

Hartmann wavefront sensors and their application at FLASH.

Barbara Keitel, Svea Kreis, Elke Plönjes, 2016, Journal of synchrotron radiation.

High-harmonic generation wave front dependence on a driving infrared wave front.

P. Zeitoun, M. Fajardo, E. Plönjes, 2020, Applied optics.

Alignment of the aberration-free XUV Raman spectrometer at FLASH.

M. Biednov, G. Brenner, B. Keitel, 2019, Journal of synchrotron radiation.

CAMP@FLASH: an end-station for imaging, electron- and ion-spectroscopy, and pump–probe experiments at the FLASH free-electron laser

H. Chapman, S. Eisebitt, B. Erk, 2018, Journal of synchrotron radiation.

Optimization and Characterization of High-Harmonic Generation for Probing Solid Density Plasmas

P. Zeitoun, M. Fajardo, E. Plönjes, 2017 .

Single-shot determination of focused FEL wave fields using iterative phase retrieval.

A. Mancuso, M. Messerschmidt, E. Schneidmiller, 2017, Optics express.

Comparative study of the X-ray reflectivity and in-depth profile of a-C, B₄C and Ni coatings at 0.1-2 keV.

H. Sinn, J. Gaudin, M. Störmer, 2015, Journal of synchrotron radiation.

Advanced Instrumentation The New PHOTON III Detector with Photon Counting in Mixed-Mode Detection

Shevyakov, Mehrjoo, A. Marras, 2021 .

Mechanism of single-shot damage of Ru thin films irradiated by femtosecond extreme UV free-electron laser.

J. M. Sturm, F. Bijkerk, E. Louis, 2018, Optics express.

Damage accumulation in thin ruthenium films induced by repetitive exposure to femtosecond XUV pulses below the single-shot ablation threshold

J. M. Sturm, E. Louis, F. Scholze, 2018, Journal of the Optical Society of America B.

X-ray Ptychographic Imaging and Spectroscopic Studies of Plasma-Treated Plastic Films

E. Plönjes, A. Quade, J. Schäfer, 2022, Polymers.

The beam transport system for the Small Quantum Systems instrument at the European XFEL: optical layout and first commissioning results

H. Sinn, E. Plönjes, Y. Ovcharenko, 2023, Journal of synchrotron radiation.

The soft x-ray free-electron laser FLASH at DESY: beamlines, diagnostics and end-stations

H. Wabnitz, Barbara Keitel, E. Plönjes, 2009 .

Recoil-ion momentum distributions for two-photon double ionization of He and Ne by 44 eV free-electron laser radiation.

A. Rudenko, L. Foucar, J. Ullrich, 2008, Physical review letters.

EUV Hartmann sensor for wavefront measurements at the Free-electron LASer in Hamburg

Barbara Keitel, E. Plönjes, Bernhard Flöter, 2010 .

Single-shot ptychography at a soft X-ray free-electron laser

A. Marras, E. Plönjes, B. Keitel, 2022, Scientific reports.

Single-shot ptychography at a soft X-ray free-electron laser

A. Marras, E. Plönjes, B. Keitel, 2022, Scientific Reports.

Status of the K-B bendable optics at FERMI@Elettra FEL

M. Zangrando, N. Mahne, C. Svetina, 2014, Optics & Photonics - Optical Engineering + Applications.

K-B bendable system optimization at FERMI@Elettra FEL: impact of different spatial wavelengths on the spot size

M. Zangrando, N. Mahne, C. Svetina, 2013, Optics & Photonics - Optical Engineering + Applications.

Deep learning for laser beam imprinting.

J. Kybic, E. Plönjes, M. Kuhlmann, 2023, Optics express.

Characterization of megahertz X-ray laser beams by multishot desorption imprints in PMMA.

Frank Siewert, Libor Juha, Barbara Keitel, 2020, Optics express.

Gratings for synchrotron and FEL beamlines: a project for the manufacture of ultra-precise gratings at Helmholtz Zentrum Berlin

Raymond E. Conley, Scholze, Dorota, 2018, Journal of synchrotron radiation.

Experimental study of EUV mirror radiation damage resistance under long-term free-electron laser exposures below the single-shot damage threshold

E. Louis, F. Scholze, B. Faatz, 2018, Journal of synchrotron radiation.

CAMP@FLASH: an end-station for imaging, electron- and ion-spectroscopy, and pump–probe experiments at the FLASH free-electron laser

H. Chapman, S. Eisebitt, B. Erk, 2018, Journal of synchrotron radiation.

Single-shot transverse coherence measurements with Young's double pinholes at FLASH2

M. Fajardo, E. Plönjes, M. Kuhlmann, 2020, Journal of Physics Communications.

Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH.

E. Plönjes, M. Kuhlmann, T. Mey, 2014, Optics express.

Wavefront Sensing for Evaluation of Extreme Ultraviolet Microscopy

Guillaume Dovillaire, Barbara Keitel, Elke Plönjes, 2020, Sensors.

Hartmann wavefront measurements at FLASH

Bernd Schäfer, Barbara Keitel, Svea Kreis, 2013, Europe Optics + Optoelectronics.

Beam characterization of FLASH from beam profile measurement by intensity transport equation and reconstruction of the Wigner distribution function

Bernd Schäfer, Tobias Mey, Klaus Mann, 2013, Europe Optics + Optoelectronics.

Beam characterization of FLASH from Hartmann data and measurement of the Wigner distribution function

Bernd Schäfer, Klaus Mann, Barbara Keitel, 2011, Optics + Optoelectronics.

Flexible ptychography platform to expand the potential of imaging at free electron lasers.

E. Plönjes, M. Seyrich, B. Keitel, 2021, Optics express.