96 citations · 358 across the 16 of their papers we have counts for
17 papers
Continuous and Coordinated Efforts of Structure Wakefield Acceleration (SWFA) Development for an Energy Frontier Machine
Chunguang Jing, John Power, Jiahang Shao +14
Structure wakefield acceleration (SWFA) is well suited for the linear collider (LC) application due to its natural ability to accelerate positrons and preserve emittance. Under the…
International Workshop on Next Generation Gamma-Ray Source
C. R. Howell, M. W. Ahmed, A. Afanasev +50
A workshop on The Next Generation Gamma-Ray Sources sponsored by the Office of Nuclear Physics at the Department of Energy, was held November 17--19, 2016 in Bethesda, Maryland. Th…
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…
Single shot cathode transverse momentum imaging in high brightness photoinjectors
Peng-Wei Huang, Houjun Qian, Ye Chen +18
In state of the art photoinjector electron sources, thermal emittance from photoemission dominates the final injector emittance. Therefore, low thermal emittance cathode developmen…
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…
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…
Generation of Long-Lived Isomeric States via Bremsstrahlung Irradiation
Yao Cheng, Bing Xia, Chuanxiang Tang +2
A method to generate long-lived isomeric states effectively for Mossbauer applications is reported. We demonstrate that this method is better and easier to provide highly sensitive…