79 citations · 323 across the 10 of their papers we have counts for
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physics.optics2013★ 4 cited
Ptychography imaging of the phase vortices in the x-ray beam formed by nanofocusing lenses
D. Dzhigaev, U. Lorenz, R. Kurta +11
We present the ptychography reconstruction of the x-ray beam formed by nanofocusing lenses (NFLs) containing a number of phase singularities (vortices) in the vicinity of the focal…
physics.optics2013★ 60 cited
Hanbury Brown and Twiss interferometry at a free-electron laser
A. Singer, U. Lorenz, F. Sorgenfrei +11
We present measurements of second- and higher-order intensity correlation functions (so-called Hanbury Brown and Twiss experiment) performed at the free-electron laser (FEL) FLASH…