3 papers
physics.optics2024
Multi-color Wavefront Sensor using Talbot effect for High-order Harmonic Generation
Yang Du, Kui Li, Jin Niu +6
We present a novel method for multi-color wavefront measurement of high-order harmonic generation beams using the Talbot effect, validated both theoretically and experimentally for…
cs.LG2024
Learning to Approximate Adaptive Kernel Convolution on Graphs
Jaeyoon Sim, Sooyeon Jeon, InJun Choi +2
Various Graph Neural Networks (GNNs) have been successful in analyzing data in non-Euclidean spaces, however, they have limitations such as oversmoothing, i.e., information becomes…
physics.acc-ph2014
Beam energy distribution influences on density modulation efficiency in seeded free-electron lasers
Guanglei Wang, Chao Feng, Haixiao Deng +6
The beam energy spread at the entrance of undulator system is of paramount importance for efficient density modulation in high-gain seeded free-electron lasers (FELs). In this pape…