Hao Sun, Chao Feng, Bo Liu. Coherent X-ray vortex generation based on echo-enabled harmonic generation free electron laser[J]. High Power Laser and Particle Beams, 2022, 34(3): 031020
- High Power Laser and Particle Beams
- Vol. 34, Issue 3, 031020 (2022)
Fig. 1. Scheme of EEHG
Fig. 2. The vortex generation scheme based on EEHG
Fig. 3. The evolution of the electron beam phase space
Fig. 4. Helical bunching distribution along the electron beam at the exit of the second dispersion section
Fig. 5. The evolution of the FEL radiation in radiator
Fig. 6. The evolution of the bunching factor along the radiator
Fig. 7. The transverse phase distribution of the microbunching
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Table 1. Parameters for simulation
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