287 citations · 1.6k across the 51 of their papers we have counts for
51 papers
Generation of Quantum Vortex Electrons with Intense Laser Pulses
Zhigang Bu, Liangliang Ji, Xuesong Geng +5
Accelerating a free electron to high energy forms the basis for studying particle and nuclear physics. Here it is shown that wavefunction of such an energetic electron can be furth…
Single-scan, dual-functional interferometer for fast spatiotemporal characterization of few-cycle pulses
Yifei Chen, Zhiyuan Huang, Ding Wang +5
Accurate and fast characterization of spatiotemporal information of high-intensity, ultrashort pulses is crucial in the field of strong-field laser science and technology. While co…
Stable intense 1 kHz supercontinuum light generation in air
Yaoxiang Liu, Tie-Jun Wang, Hao Guo +7
Supercontinuum (SC) light source has advanced ultrafast laser spectroscopy in condensed matter science, biology, physics, and chemistry. Compared to the frequently used photonic cr…
Photoionization-assisted, high-efficiency emission of dispersive wave in gas-filled hollow-core photonic crystal fibers
Yifei Chen, Zhiyuan Huang, Fei Yu +6
We demonstrate that the phase-matched dispersive wave (DW) emission within the resonance band of a 25-cm-long gas-filled hollow-core photonic crystal fiber (HC-PCF) can be strongly…
Magnetized Gas Collimation of Interstellar Outflow Scaled by Laser-produced Plasma
Tao Tao, Guangyue Hu, Ruxin Li +2
Young stellar objects/planetary nebula outflow anisotropies usually involve wind-wind interactions and magnetic collimation, but detailed structures of wind and magnetic fields ins…
Driving positron beam acceleration with coherent transition radiation
Zhangli Xu, Longqing Yi, Baifei Shen +6
Positron acceleration in plasma wakefield faces significant challenges since the positron beam must be pre-generated and precisely coupled into the wakefield, and most critically,…
Sub-cycle Electron Dynamics in the Generation of Below Threshold Harmonics
Li Wang, Jinxing Xue, Zhinan Zeng +2
The generation of the below threshold harmonics (BTHs) under different driving laser intensities is investigated. The linearly shifting of photon energy and resonantly enhancement…
Polarization sensitive laser intensity inside femtosecond filament in air
Xuan Zhang, Tie-Jun Wang, Hao Guo +9
Polarization dependence on clamping intensity inside femtosecond filament was experimentally measured in air. By tuning the laser pulse ellipse from linear polarization to circular…
Quantum Reflection above the Classical Radiation-reaction Barrier in the QED Regime
X. S. Geng, L. L. Ji, B. F. Shen +5
The colliding between an ultra-intense laser pulse with a high energy electron beam is not only an important source for high-brightness gamma-rays but also a powerful approach to e…
A new approach for rain gush formation associated with ionic wind
S. L. Chin, Xueliang Guo, Huanbin Xu +12
Based upon experimental observation in the laboratory, we propose that ionic wind from corona discharge inside a thundercloud would play an important role in producing a rain gush.…
Laser guided ionic wind
Shengzhe Du, Tie-Jun Wang, Zhongbin Zhu +11
We report on a method to experimentally generate ionic wind by coupling an external high voltage electric field with an intense femtosecond laser induced air plasma filament. The m…
2.6mJ/100Hz CEP stable near-single-cycle 4μm laser based on OPCPA and hollow-core-fiber compression
Pengfei Wang, Yanyan Li, Wenkai Li +10
A carrier envelope phase stable near-single cycle mid-infrared laser based on optical parametric chirped pulse amplification and hollow-core-fiber compression is demonstrated. 4 μm…
Pure Even Harmonic Generation from Oriented CO in Linearly Polarized Laser Fields
Hongtao Hu, Na Li, Peng Liu +2
The first high harmonic spectrum, containing only the odd orders, was observed in experiments 30 years ago (1987). However, a spectrum containing pure even harmonics has never been…
Enhanced betatron radiation by steering a low-energy-spread electron beam in a deflected laser-driven plasma wiggler
Changhai Yu, Jiansheng Liu, Wentao Wang +14
Laser wakefield accelerators (LWFA) hold great potential to produce high-quality high-energy electron beams (e beams) and simultaneously bright x-ray sources via betatron radiation…
Laser undulator by laser ponderomotive force
Zhinan Zeng, Ruxin Li, Zhizhan Xu
The laser-plasma accelerator has attracted great interest for constituting an alternative in the production of the relativistic electron beams of high peak current. But the generat…
Snowfall induced by corona discharge
Jingjing Ju, Tie-Jun Wang, Ruxin Li +12
We demonstrated for the first time the condensation and precipitation (or snowfall) induced by a corona discharge inside a cloud chamber. Ionic wind was found to have played a more…
Electron motion enhanced high harmonic generation in xenon clusters
Na Li, Peng Liu, Ya Bai +3
Atomic clusters presents an isolated system that models the bulk materials whose mechanism of HHG remains uncertain, and a promising medium to produce HHG beyond the limited conver…
Generation of Gamma-ray Beam with Orbital Angular Momentum in the QED Regime
Chen Liu, Baifei Shen, Xiaomei Zhang +8
We propose a scheme to generate gamma-ray photons with an orbital angular momentum (OAM) and high energy simultaneously from laser-plasma interactions by irradiating a circularly p…
MeV Argon ion beam generation with narrow energy spread
Jiancai Xu, Tongjun Xu, Baifei Shen +11
Laser driven particle acceleration has shown remarkable progresses in generating multi-GeV electron bunches and 10s of MeV ion beams based on high-power laser facilities. Intense l…
Revealing plasma oscillation in THz spectrum from laser plasma of molecular jet
Na Li, Ya Bai, Tianshi Miao +3
Contribution of plasma oscillation to the broadband terahertz emission is revealed by interacting two-color laser pulses with a supersonic jet of nitrogen molecules. Temporal and s…
Generation of Ultra-intense Gamma-ray Train by QED Harmonics
Chen Liu, Baifei Shen, Xiaomei Zhang +10
When laser intensity exceeds 10^22W/cm^2, photons with energy above MeV can be generated from high-order harmonics process in the laser-plasma interaction. We find that under such…
Direct observation of laser guided corona discharges
Tie-Jun Wang, Yingxia Wei, Yaoxiang Liu +10
Laser based lightning control holds a promising way to solve the problem of the long standing disaster of lightning strikes. But it is a challenging project due to insufficient und…
Generation of Intense High-Order Vortex Harmonics
Xiaomei Zhang, Baifei Shen, Yin Shi +6
This paper presents the method for the first time to generate intense high-order optical vortices that carry orbital angular momentum in the extreme ultraviolet region. In three-di…
Gain dynamics of a free-space nitrogen laser pumped by circularly polarized femtosecond laser pulses
Jinping Yao, Hongqiang Xie, Bin Zeng +9
We experimentally demonstrate ultrafast dynamic of generation of a strong 337-nm nitrogen laser by injecting an external seed pulse into a femtosecond laser filament pumped by a ci…