... more Strong-field Photoemission from Nanostructures Ultrafast laser switching in a photochromic film visualised by time-resolved X-ray diffraction Prof. Dr. Sarah Köster was awarded the "Robert-Wichard-Pohl-Nachwuchs-Medaille" Scholarship for Sarah Schwarz Claus Ropers was awarded the “Nanowissenschaftspreis 2008” HASYLAB Highlights: Revealing the structural dynamics of ultrafast organic switchers