96 citations · 372 across the 22 of their papers we have counts for
23 papers
Terahertz-Driven Nano-tip Field-Emission Electron Gun and Cascaded Acceleration
Wentao Yu, Nongchao Tan, Kai Peng +10
This paper reports two versions of terahertz (THz)-driven nanotip field-emission electron guns: single-layer reflective guns (SLRGs) and double-layer reflective guns (DLRGs). Both…
Observation and Interpretation of Field Emission Saturation Induced by an Ultra-fast Intense Terahertz Field
Wentao Yu, Nongchao Tan, Kai Peng +10
Field emission under ultra-fast intense terahertz fields provides a promising approach for generating electron bunches with ultrashort pulse duration and high charge densities. It…
Mapping electrostatic potential in electrolyte solution
Bo Huang, Yining Yang, Ruinong Han +15
Mapping the electrostatic potential (ESP) distribution around ions in electrolyte solution is crucial for the establishment of a microscopic understanding of electrolyte solution p…
Ultrafast Electron Diffraction with MeV Electron Source from a Laser Wakefield Accelerator
Yu Fang, Fei Li, Jianfei Hua +10
MeV ultrafast electron diffraction (UED) is a widely used technology for ultrafast structural dynamic studies of matters in numerous areas. The development of laser wakefield accel…
Towards a compact all optical terahertz-driven electron source at Tsinghua University
Hanxun Xu, Renkai Li, Lixin Yan +4
We propose a physical design of a compact all optical terahertz (THz)-driven electron source. The 300 mm accelerator beamline, powered by Joule level laser system, is easily to be…
Advanced RF Structures for Wakefield Acceleration and High-Gradient Research
Xueying Lu, Jiahang Shao, John Power +28
Structure wakefield acceleration (SWFA) is one of the most promising AAC schemes in several recent strategic reports, including DOE's 2016 AAC Roadmap, report on the Advanced and N…
Compact polarized X-ray source based on all-optical inverse Compton scattering
Yue Ma, Jianfei Hua, Dexiang Liu +8
Polarized X-ray source is an important probe for many fields such as fluorescence imaging, magnetic microscopy, and nuclear physics research. All-optical inverse Compton scattering…
Eliminating uncertainty of thermal emittance measurement in solenoid scans due to rf and solenoid fields overlap
Lianmin Zheng, Yingchao Du, Pengwei Huang
The solenoid scan is one of the most common methods for the in-situ measurement of the thermal emittance of a photocathode in an rf photoinjector. The fringe field of the solenoid…
Cascaded high-gradient terahertz-driven acceleration of relativistic electron beams
Hanxun Xu, Lixin Yan, Yingchao Du +7
Terahertz (THz)-driven acceleration has recently emerged as a new route for delivering ultrashort bright electron beams efficiently, reliably, and in a compact setup. Many THz-driv…
High-throughput injection-acceleration of electron bunches from a linear accelerator to a laser wakefield accelerator
Yipeng Wu, Jianfei Hua, Zheng Zhou +13
Plasma-based accelerators (PBAs) driven by either intense lasers (laser wakefield accelerators, LWFAs) or particle beams (plasma wakefield accelerators, PWFAs), can accelerate char…
Visualizing the melting processes in ultrashort intense laser triggered gold mesh with high energy electron radiography
Zheng Zhou, Yu Fang, Han Chen +7
High energy electron radiography (HEER) is a promising tool for high energy density physics diagnostics, apart from other tools like X/γ ray shadowgraphy and high energy proton rad…
Rapid thermal emittance and quantum efficiency mapping of a cesium telluride cathode in an rf photoinjector using multiple laser beamlets
Lianmin Zheng, Jiahang Shao, Eric E. Wisniewski +8
Thermal emittance and quantum efficiency (QE) are key figures of merit of photocathodes, and their uniformity is critical to high-performance photoinjectors. Several QE mapping tec…
Experimental demonstration of the correction of coupled transverse dynamics aberration in an rf photoinjector
Lianmin Zheng, Jiahang Shao, Yingchao Du +9
The production of electron bunches with low transverse emittance approaches the thermal emittance of the photocathode as various aberrations are corrected. Recently, the coupled tr…
Overestimation of thermal emittance in solenoid scans due to coupled transverse motion
Lianmin Zheng, Jiahang Shao, Yingchao Du +9
The solenoid scan is a widely used method for the in-situ measurement of the thermal emittance in a photocathode gun. The popularity of this method is due to its simplicity and con…
Experiments on bright field and dark field high energy electron imaging with thick target material
Zheng Zhou, Yingchao Du, Shuchun Cao +18
Using a high energy electron beam for the imaging of high density matter with both high spatial-temporal and areal density resolution under extreme states of temperature and pressu…
Generation of High-Power, Tunable Terahertz Radiation from Laser Interaction with a Relativistic Electron Beam
Zhen Zhang, Lixin Yan, Yingchao Du +3
We propose a method based on the slice energy spread modulation to generate strong subpicoseond density bunching in high-intensity relativistic electron beams. A laser pulse with p…
Experimental Polarization Control of Thomson Scattering X/γ-ray Source
Hongze Zhang, Yingchao Du, Chuanxiang Tang +2
Thomson scattering of intense laser pulses from relativistic electrons allows us to generate high-brightness and tunable-polarization X/γ-ray pulses. This paper demonstrates the po…
Effects of Laser Pulse Heating of Copper Photocathodes on High-brightness Electron Beam Production at Blowout Regime
Lianmin Zheng, Yingchao Du, Chuanxiang Tang +1
Producing high-brightness and high-charge (>100 pC) electron bunches at blowout regime requires ultrashort laser pulses with high fluence. The effects of laser pulse heating of the…
Beam optical design for high energy electron radiography experiment study based on THU LINAC
Quantang Zhao, Shuchun Cao, Ming Liu +10
A special beam line for high energy electron radiography is designed, including achromat and imaging systems. The requirement of the angle and position correction on the target fro…
Generating 10~40MeV high quality monoenergetic electron beams using a 5TW 60fs laser at Tsinghua University
J. F. Hua, L. X. Yan, C. H. Pai +10
A unique facility for laser plasma physics and advanced accelerator research has been built recently at Tsinghua Universtiy. This system is based on Tsinghua Thomson scattering X-r…
Bunch evolution study in optimization of MeV ultrafast electron diffraction
Xianhai Lu, Yingchao Du, Wenhui Huang +1
Megaelectronvolt ultrafast electron diffraction (UED) is a promising detection tool for ultrafast processes. The quality of diffraction image is determined by the transverse evolut…
Phase Space Dynamics of Ionization Injection in Plasma Based Accelerators
X. L. Xu, J. F. Hua, F. Li +11
The evolution of beam phase space in ionization-induced injection into plasma wakefields is studied using theory and particle-in-cell (PIC) simulations. The injection process cause…
Generation of High Brightness Electron Beams via Ionization Induced Injection by Transverse Colliding Lasers in a Beam-Driven Plasma Wakefield Accelerator
F. Li, J. F. Hua, X. L. Xu +10
The production of ultra-bright electron bunches using ionization injection triggered by two transversely colliding laser pulses inside a beam-driven plasma wake is examined via thr…