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physics.optics2024★ 409 cited
Generation of Spatially Coherent Light at Extreme Ultraviolet Wavelengths
Randy A. Bartels, Ariel Paul, Hans Green +7
We present spatial coherence measurements of extreme-ultraviolet light generated using the process of high-harmonic upconversion of a femtosecond laser. Using a phase-matched hollo…
physics.optics2012★ 120 cited
Spatial and temporal coherence properties of single free-electron laser pulses
A. Singer, F. Sorgenfrei, A. P. Mancuso +16
The experimental characterization of the spatial and temporal coherence properties of the free-electron laser in Hamburg (FLASH) at a wavelength of 8.0 nm is presented. Double pinh…