5 papers
High-Efficiency Plasma-Based Compressor for Ultrafast Soft X-ray Free-Electron Lasers
Mingchang Wang, Li Zeng, Bingbing Zhang +5
The generation of intense, femtosecond-scale X-ray pulses is crucial for probing matter under extreme temporal and field conditions. Current chirped-pulse amplification (CPA) techn…
Demonstration of Direct-amplification Enabled Harmonic Generation in an Ultraviolet Free-Electron Laser
Hao Sun, Jitao Sun, Li Zeng +14
We report the experimental demonstration of direct-amplification enabled harmonic generation in an ultraviolet free-electron laser (FEL) driven by a low-intensity seed laser. By em…
Stability Enhancement of a Self-Amplified Spontaneous Emission Free-electron Laser with Bunching Containment
Huaiqian Yi, Xiaofan Wang, Li Zeng +2
The self-amplified spontaneous emission (SASE) mechanism, the fundamental operating principle of numerous free-electron laser (FEL) facilities, is driven by electron beam shot nois…
The Performance of Seeded Free-Electron Lasers Through Dispersion Strength Tuning
Li Zeng, Chao Feng, Xiaofan Wang +2
Over the last decade, external seeded free electron lasers (FELs) have achieved significant advancements across various disciplines, progressively establishing themselves as indisp…
Synthesis of Electron Microbunching Rotation for Generating Isolated Attosecond Soft X-ray Free-electron Laser Pulses
Hao Sun, Xiaofan Wang, Li Zeng +1
Attosecond x-ray pulses play a crucial role in the study of ultrafast phenomena occurring within inner and valence electrons. Especially isolated attosecond pulses with high photon…