3 papers
physics.optics2025
Soft X-ray imaging with coherence tomography in the water window spectral range using high-harmonic generation
Julius Reinhard, Felix Wiesner, Themistoklis Sidiropoulos +15
High-harmonic generation (HHG) is used as a source for various imaging applications in the extreme ultraviolet spectral range. It offers spatially coherent radiation and unique ele…
cond-mat.mtrl-sci2024
Sub-wavelength localized all-optical helicity-independent magnetic switching using plasmonic gold nanostructures
Themistoklis Sidiropoulos, Puloma Singh, Tino Noll +8
All-optical helicity-independent switching (AO-HIS) is of interest for ultrafast and energy efficient magnetic switching in future magnetic data storage approaches. Yet, to achieve…
physics.optics2024
Ultrafast energy-dispersive soft-x-ray diffraction in the water window with a laser-driven source
Jasmin Jarecki, Martin Hennecke, Themistoklis Sidiropoulos +3
Time-resolved soft-x-ray-diffraction experiments give access to microscopic processes in a broad range of solid-state materials by probing ultrafast dynamics of ordering phenomena.…