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most citedUpstream Laser-based Longitudinal Enhancement of Relativistic Photoelectrons

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physics.optics20261 cited

Upstream Laser-based Longitudinal Enhancement of Relativistic Photoelectrons

Hao Zhang, Randy Lemons, Jack Hirschman +23

Controlling the longitudinal phase space of high-brightness relativistic electron beams is crucial for advancing a broad spectrum of charged-particle-based instrumentation and scie…

physics.optics2025

Fluorescence intensity correlations enable 3D imaging without sample rotations

Robert G. Radloff, Felix F. Zimmermann, Siqi Li +23

Lensless X-ray imaging provides element-specific nanoscale insights into thick samples beyond the reach of conventional light and electron microscopy. Coherent diffraction imaging…

physics.optics2025

Nonlinear reversal of photo-excitation on the attosecond time scale improves ultrafast x-ray diffraction images

Anatoli Ulmer, Phay J. Ho, Bruno Langbehn +28

The advent of isolated and intense sub-femtosecond X-ray pulses enables tracking of quantummechanical motion of electrons in molecules and solids. The combination of X-ray spectros…

physics.optics2025

Experimental demonstration of attosecond hard X-ray pulses

Ichiro Inoue, River Robles, Aliaksei Halavanau +24

We present the first direct experimental confirmation of attosecond pulse generation in the hard X-ray regime with a free-electron laser. Our experiment is based on measurements of…

physics.optics2025

Attosecond Inner-Shell Lasing at Angstrom Wavelengths

Thomas M. Linker, Aliaksei Halavanau, Thomas Kroll +34

Since the invention of the laser nonlinear effects such as filamentation, Rabi-cycling and collective emission have been explored in the optical regime leading to a wide range of s…