124 citations · 680 across the 16 of their papers we have counts for
16 papers
Ultrafast formation of topological defects in a 2D charge density wave
Yun Cheng, Alfred Zong, Lijun Wu +13
Topological defects play a key role in nonequilibrium phase transitions, ranging from birth of the early universe to quantum critical behavior of ultracold atoms. In solids, transi…
Stable and scalable multistage terahertz-driven particle accelerator
Heng Tang, Lingrong Zhao, Pengfei Zhu +8
Particle accelerators that use electromagnetic fields to increase a charged particle's energy have greatly advanced the development of science and industry since invention. However…
Non-invasive time-sorting in radio-frequency compressed ultrafast electron diffraction
Lingrong Zhao, Jun Wu, Zhe Wang +6
We demonstrate a non-invasive time-sorting method for ultrafast electron diffraction (UED) experiments with radio-frequency (rf) compressed electron beams. We show that electron be…
Optical manipulation of electronic dimensionality in a quantum material
Shaofeng Duan, Yun Cheng, Wei Xia +9
Exotic phenomenon can be achieved in quantum materials by confining electronic states into two dimensions. For example, relativistic fermions are realised in a single layer of carb…
Achieving 50 femtosecond resolution in MeV ultrafast electron diffraction with a double bend achromat compressor
Fengfeng Qi, Zhuoran Ma, Lingrong Zhao +12
We propose and demonstrate a novel scheme to produce ultrashort and ultrastable MeV electron beam. In this scheme, the electron beam produced in a photocathode radio-frequency (rf)…
Femtosecond relativistic electron beam with reduced timing jitter from THz-driven beam compression
Lingrong Zhao, Heng Tang, Chao Lu +10
We propose and demonstrate a novel method to reduce the pulse width and timing jitter of a relativistic electron beam through THz-driven beam compression. In this method the longit…
Terahertz oscilloscope for recording time information of ultrashort electron beams
Lingrong Zhao, Zhe Wang, Heng Tang +17
We propose and demonstrate a Terahertz (THz) oscilloscope for recording time information of an ultrashort electron beam. By injecting a laser-driven THz pulse with circular polariz…
Few-femtosecond Electron Beam with THz-frequency Wakefield-driven Compression
Lingrong Zhao, Tao Jiang, Chao Lu +10
We propose and demonstrate a novel method to produce few-femtosecond electron beam with relatively low timing jitter. In this method a relativistic electron beam is compressed from…
Terahertz streaking of few-femtosecond relativistic electron beams
Lingrong Zhao, Zhe Wang, Chao Lu +15
Streaking of photoelectrons with optical lasers has been widely used for temporal characterization of attosecond extreme ultraviolet pulses. Recently, this technique has been adapt…
Coulomb-driven relativistic electron beam compression
Chao Lu, Tao Jiang, Shengguang Liu +5
Coulomb interaction between charged particles is a well-known phenomenon in many areas of researches. In general the Coulomb repulsion force broadens the pulse width of an electron…
Imaging nanoscale spatial modulation of a relativistic electron beam with a MeV ultrafast electron microscope
Chao Lu, Tao Jiang, Shengguang Liu +10
Accelerator-based MeV ultrafast electron microscope (MUEM) has been proposed as a promising tool to study structural dynamics at the nanometer spatial scale and picosecond temporal…
Direct observation of ultrafast thermal and non-thermal lattice deformation of polycrystalline Aluminum film
Runze Li, Pengfei Zhu, Jie Chen +3
The dynamics of thermal and non-thermal lattice deformation of nanometer thick polycrystalline aluminum film has been studied by means of femtosecond (fs) time-resolved electron di…
Carrier emission of n-type Gallium Nitride illuminated by femtosecond laser pulses
Runze Li, Pengfei Zhu, Jie Chen +3
The carrier emission efficiency of light emitting diodes is of fundamental importance for many technological applications, including the performance of GaN and other semiconductor…
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…
Investigation of transient surface electric field induced by femtosecond laser irradiation of aluminum
Run-Ze Li, Pengfei Zhu, Long Chen +5
Transient surface electric fields induced by femtosecond laser irradiation of an aluminum film were investigated directly by ultrashort electron pulses. At pump intensities of 2.9~…
Simultaneous Investigation of Ultrafast Structural Dynamics and Transient Electric Field by Sub-picosecond Electron Pulses
Run-Ze Li, Pengfei Zhu, Long Chen +4
The ultrafast structure dynamics and surface transient electric field, which are concurrently induced by laser excited electrons of an aluminum nanofilm, have been investigated sim…