Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

• A. Morlok4 · h 21
• H. Hiesinger2 profiles4 · h 59
• M. Sohn4 · h 9
• A. Stojic3 · h 14
• Christian Schneider2 profiles3 · h 5
• Falk Eilenberger2 profiles3 · h 22
• I. Weber2 profiles3 · h 19
• B. Ziaja2 · h 31
• Hangyong Shan2 · h 13
• Jens-Christian Drawer2 · h 3
• M. Esmann2 · h 20
• N. Medvedev2 profiles2 · h 29

• Carl von Ossietzky Universität OldenburgDE5 papers
• Fraunhofer Institute for Applied Optics and Precision EngineeringDE3 papers
• Friedrich Schiller University JenaDE3 papers
• Arizona State UniversityUS2 papers
• Center for Free-Electron Laser ScienceDE2 papers
• Czech Academy of SciencesCZ2 papers
• Czech Academy of Sciences, Institute of Plasma PhysicsCZ2 papers
• Deutsches Elektronen-Synchrotron DESYDE2 papers
• FZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicCZ2 papers
• Institute of Nuclear Physics, Polish Academy of SciencesPL2 papers
• University of MünsterDE2 papers
• Bar-Ilan UniversityIL1 paper