81 citations · 333 across the 21 of their papers we have counts for
21 papers
Multi-GeV Electron Combs from a Plasma Wakefield Accelerator
Chaojie Zhang, Douglas Storey, Alexander Knetsch +16
Plasma accelerators now produce GeV-class electron beams with brightness and stability sufficient to drive free-electron lasers. Beyond this, they possess a unique yet largely unex…
TeV Electron Beams from Plasma Acceleration via Regenerative Cascading
Chaojie Zhang, Chan Joshi
Plasma accelerators sustain gradients orders of magnitude higher than conventional radiofrequency machines, but most proposed paths to TeV energies still require tens of stages, ea…
Correlations between X-rays, Visible Light and Drive-Beam Energy Loss Observed in Plasma Wakefield Acceleration Experiments at FACET-II
Chaojie Zhang, Doug Storey, Pablo San Miguel Claveria +26
This study documents several correlations observed during the first run of the plasma wakefield acceleration experiment E300 conducted at FACET-II, using a single drive electron bu…
Thermal Weibel instability induced magnetic fields co-exist with linear wakes in laser-ionized plasmas
Yipeng Wu, Audrey Farrell, Mitchell Sinclair +12
When a moderately intense, few-picoseconds long laser pulse ionizes gas to produce an underdense plasma column, a linear relativistic plasma wave or wake can be excited by the self…
Self-organization of photoionized plasmas via kinetic instabilities
Chaojie Zhang, Chen-Kang Huang, Chan Joshi
Self-organization in an unmagnetized collisionless plasma (in this paper) refers to formation of transient coherent structures such as collective oscillations (electrostatic waves)…
Efficient generation of intense spatial and spatiotemporal vortex harmonics using plasma mirrors
Yipeng Wu, Zan Nie, Fei Li +4
Intense spatial or spatiotemporal vortex pulses from the extreme ultraviolet to soft X-ray spectral windows are expected to provide new degrees of freedom for a variety of key appl…
Efficient generation and amplification of intense vortex and vector laser pulses via strongly coupled stimulated Brillouin scattering in plasmas
Yipeng Wu, Chaojie Zhang, Zan Nie +7
The past decade has seen tremendous progress in the production and utilization of vortex and vector laser pulses. Although both are considered as structured light beams, the vortex…
Highly spin-polarized multi-GeV electron beams generated by single-species plasma photocathodes
Zan Nie, Fei Li, Felipe Morales +11
High-gradient and high-efficiency acceleration in plasma-based accelerators has been demonstrated, showing its potential as the building block for a future collider operating at th…
Efficient Generation of Tunable Magnetic and Optical Vortices Using Plasmas
Yipeng Wu, Xinlu Xu, Chaojie Zhang +8
Plasma is an attractive medium for generating strong microscopic magnetic structures and tunable electromagnetic radiation with predictable topologies due to its extraordinary abil…
Mapping the self-generated magnetic fields due to thermal Weibel instability
Chaojie Zhang, Yipeng Wu, Mitchell Sinclair +15
Weibel-type instability can self-generate and amplify magnetic fields in both space and laboratory plasmas with temperature anisotropy. The electron Weibel instability has generall…
Electron Weibel instability induced magnetic fields in optical-field ionized plasmas
Chaojie Zhang, Yipeng Wu, Mitchell Sinclair +14
Generation and amplification of magnetic fields in plasmas is a long-standing topic that is of great interest to both plasma and space physics. The electron Weibel instability is a…
Ionization induced plasma grating and its applications in strong-field ionization measurements
Chaojie Zhang, Zan Nie, Yipeng Wu +4
An ionization-induced plasma grating can be formed by spatially selective ionization of gases by the interference of two intersecting ultra-short laser pulses. The density modulati…
Ultra-short pulse generation from mid-IR to THz range using plasma wakes and relativistic ionization fronts
Zan Nie, Yipeng Wu, Chaojie Zhang +6
This paper discusses numerical and experimental results on frequency downshifting and upshifting of a 10 m infrared laser to cover the entire wavelength (frequency) range from $…
Measurements of the growth and saturation of electron Weibel instability in optical-field ionized plasmas
Chaojie Zhang, Jianfei Hua, Yipeng Wu +11
The temporal evolution of the magnetic field associated with electron thermal Weibel instability in optical-field ionized plasmas is measured using ultrashort (1.8 ps), relativisti…
Conservation of angular momentum in second harmonic generation from under-dense plasmas
C. K. Huang, C. J. Zhang, Z. Nie +3
Spin and orbital angular momentum of an optical beam are two independent parameters that exhibit distinct effects on mechanical objects. However, when laser beams with angular mome…
Extremely Dense Gamma-Ray Pulses in Electron Beam-Multifoil Collisions
Archana Sampath, Xavier Davoine, Sébastien Corde +26
Sources of high-energy photons have important applications in almost all areas of research. However, the photon flux and intensity of existing sources is strongly limited for photo…
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…
Relativistic, single-cycle tunable-infrared pulses generated by a tailored plasma density structure
Zan Nie, Chih-Hao Pai, Jianfei Hua +16
The availability of intense, ultrashort coherent radiation sources in the infrared region of the spectrum is enabling the generation of attosecond X-ray pulses via high harmonic ge…
Temporal characterization of ultrashort linearly chirped electron bunches generated from a laser wakefield accelerator
C. J. Zhang, J. F. Hua, Y. Wan +10
A new method for diagnosing the temporal characteristics of ultrashort electron bunches with linear energy chirp generated from a laser wakefield accelerator is described. When 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…
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…