7 papers
Self-Synchronized Terahertz and X-Ray Free-Electron Lasers from a Single Pre-Bunched Electron Beam
Yin Kang, Kaiqing Zhang, Zhen Wang +27
Ultrafast pump-probe spectroscopy combining intense terahertz (THz) and X-ray pulses is a critical tool for investigating complex structural and electronic dynamics in materials. H…
Demonstration of High-Gain Harmonic Lasing in a Terahertz Free-Electron Laser
Yin Kang, Cheng Yu, Yue Wang +26
Compact Free-Electron Lasers (FELs) offering broad, continuous spectral tunability are traditionally constrained by fixed-parameter magnetic structures and the necessity for high-e…
Attosecond Waveform Synthesis through Echo-enabled Harmonic Generation Free-electron Lasers
Lanpeng Ni, Junhao Liu, Zheng Qi +1
Attosecond pulse trains (APTs) are indispensable for probing electron dynamics at their intrinsic timescales. High harmonic generation (HHG) has long been a successful and widely u…
Generating 10 GW-class isolated zeptosecond x-ray bursts through bootstrapping two plasma-based accelerator stages
Qianyi Ma, Yuhui Xia, Zhenan Wang +8
A method is proposed to generate coherent, intense zeptosecond x-ray pulses by using the electron beam produced by a laser wakefield accelerator (LWFA) stage as the driver for a be…
Zeptosecond Gamma-Ray Pulses Generation via FEL-Driven Microbunching and Laser-Compton Scattering
Jinke Xiong, Hanghua Xu, Liangliang Ji +1
We introduce a novel and reliable approach to generate zeptosecond(10^{-21} s,zs), high-energy photon pulse bursts by synergistically exploiting the inherent characteristics of Fre…
Multi-Dimensional Phase Space Manipulation for Attosecond Electron Bunch Compression
Yuxin Cheng, Chao Feng, Qiang Gu
Attosecond electron beams are essential for investigating ultrafast structural and electronic dynamics in matter with atomic-scale resolution. We propose a novel method that enable…