55 citations · 216 across the 15 of their papers we have counts for
15 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…
Fully coherent short wavelength free-electron laser driven by a single sub-microjoule seed
Lanpeng Ni, Zheng Qi, Xingtao Wang +33
High-repetition-rate, fully coherent extreme-ultraviolet (EUV) and X-ray free-electron lasers (FELs) are essential for advanced time-resolved ultrafast spectroscopies. While extern…
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…
First Lasing and Stable Operation of a Direct-Amplification Enabled Harmonic Generation Free-Electron laser
Zheng Qi, Junhao Liu, Lanpeng Ni +27
Seeded free-electron lasers (FELs) capable of operating at repetition rates up to the MHz level are in high demand for advanced time-resolved spectroscopies, which require both ful…
Enabling Continuous THz Band Coverage via Precise Electron Beam Tailoring in Free-electron Lasers
Yin Kang, Tong Li, Zhen Wang +28
High-power, continuously tunable narrowband terahertz (THz) sources are essential for advancing nonlinear optics, THz-driven material dynamics, and ultrafast spectroscopy. Conventi…
First observation of laser-beam interaction in a dipole magnet
Jiawei Yan, Nanshun Huang, Haixiao Deng +3
As a new-generation light source, free-electron lasers (FELs) provide high-brightness X-ray pulses at the angstrom-femtosecond space and time scales. The fundamental physics behind…
Self-Amplification of Coherent Energy Modulation in Seeded Free-Electron Lasers
Jiawei Yan, Zhangfeng Gao, Zheng Qi +23
The spectroscopic techniques for time-resolved fine analysis of matter require coherent X-ray radiation with femtosecond duration and high average brightness. Seeded free-electron…
Chromatic Effect for THz Generation in a Novel Wave-front Tilt Scheme
Bin Li, Wenyan Zhang, Xiaoqing Liu +13
Deriving single or few cycle terahertz pulse (THz) by intense femtosecond laser through cascaded optical rectification in electro-optic crystals is a crucial technique in cutting-e…
Demonstration of nonlinear-energy-spread compensation in relativistic electron bunches with corrugated structures
Feichao Fu, Rui Wang, Pengfei Zhu +18
High quality electron beams with flat distributions in both energy and current are critical for many accelerator-based scientific facilities such as free-electron lasers and MeV ul…
Experimental demonstration of longitudinal beam phase space linearizer in a free-electron laser facility by corrugated structures
Haixiao Deng, Meng Zhang, Chao Feng +19
Removal of residual linear energy chirp and intrinsic nonlinear energy curvature in the relativistic electron beam from radiofrequency linear accelerator is of paramount importance…
Single-shot measurement of free-electron laser polarization at SDUV-FEL
Lie Feng, Haixiao Deng, Tong Zhang +10
In this paper, a division-of-amplitude photopolarimeter (DOAP) for measuring the polarization state of free-electron laser (FEL) pulse is described. The incident FEL beam is divide…
Fast Polarization Switching Demonstration Using Crossed-Planar Undulator in a Seeded Free Electron Laser
Haixiao Deng, Tong Zhang, Lie Feng +13
Fast polarization switching of light sources is required over a wide spectral range to investigate the symmetry of matter. In this Letter, we report the first experimental demonstr…
Status of polarization control experiment at Shanghai deep ultraviolet free electron laser
Haixiao Deng, Tong Zhang, Lie Feng +15
A polarization control experiment by utilizing a pair of crossed undulators has been proposed for the Shanghai deep ultraviolet free electron laser test facility. Numerical simulat…
Polarization control proposal for Shanghai deep ultraviolet free electron laser
Tong Zhang, Haixiao Deng, Jianhui Chen +9
In this paper, a fully coherent radiation option with controllable polarization is proposed for Shanghai deep ultraviolet free electron laser (FEL) test facility. Intensive start-t…
Characterizing Temporal Structure of the Relativistic Electron Bunch
Haixiao Deng, Chao Feng, Bo Liu +3
Using proper beam energy chirp and the undulator detuning effect, we propose a modified optical replica synthesizer scheme to characterize the temporal structure of a relativistic…