Tong-Pu Yu

National University of Defense Technology

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F. Q. Shao

National University of Defense Technology

Y. Yin

Guangxi Medical University

D. B. Zou

National University of Defense Technology

H. B. Zhuo

Shenzhen Technology University

Z. M. Sheng

Jiangnan University

Xiaohu Yang

National University of Defense Technology

Li-Xiang Hu

National University of Defense Technology

Min Chen

Shanghai Jiao Tong University

A. Pukhov

Heinrich Heine University Düsseldorf

Guo-Bo Zhang

National University of Defense Technology

Cooperative Institutions

Propagation des Ondes : Étude Mathématique et Simulation

239

National University of Defense Technology

152

Chinese Academy of Sciences

140

Shanghai Jiao Tong University

100

University of Chinese Academy of Sciences

Peking University

Sichuan University

Xi'an Jiaotong University

China Academy of Engineering Physics

Tsinghua University

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α Decay in extreme laser fields within a deformed Gamow-like model

Nuclear Science and Techniques (2024)

Q. F. Xiao Jun-Hao Cheng Yang-Yang Xu Y. Zou J. Deng

10.1007/s41365-024-01371-y

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Generation of ultra-intense vortex laser from a binary phase square spiral zone plate

Optics Express (2024)

Lingyu Zhang Hao Zhang Hongtao Huang Jingyi Wang Hongyu Zhou

With the development of ultra-intense laser technology, the manipulation of relativistic laser pulses has become progressively challenging due to the limitations of damage thresholds for traditional optical devices. In recent years, the generation and manipulation of ultra-intense vortex laser pulses by plasma has attracted a great deal of attention. Here, we propose a new scheme to produce a relativistic vortex laser. This is achieved by using a relativistic Gaussian drive laser to irradiate a plasma binary phase square spiral zone plate (BPSSZP). Based on three-dimensional particle-in-cell (3D-PIC) simulations, we find that the drive laser has a phase difference of π after passing through the BPSSZP, ultimately generating the vortex laser with unique square symmetry. Quantitatively, by employing a drive laser pulse with intensity of 1.3 × 10 18 ~W/cm 2 , a vortex laser with intensity up to 1.8 × 10 19 ~W/cm 2 , and energy conversion efficiency of 18.61% can be obtained. The vortex lasers generated using the BPSSZP follow the modulo-4 transmutation rule when varying the topological charge of BPSSZP. Furthermore, the plasma-based BPSSZP has exhibited robustness and the ability to withstand multiple ultra-intense laser pulses. As the vortex laser generated via the BPSSZP has high intensity and large energy conversion efficiency, our scheme may hold potential applications in the community of laser-plasma, such as particles acceleration, intense high-order vortex harmonic generation, and vortex X/ γ -ray sources.

Optical vortex

Square (algebra)

Zone plate

10.1364/oe.509509

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Relativistic-guided stable mode of few-cycle 20 μm level infrared radiation

Yongsheng Huang Meiyu Si M. Q. Ruan Baifei Shen Z. Xu

The generation of intense infrared radiation with a wavelength greater than 10 μm is limited by the optical materials of traditional methods and the laser-plasma parameters of plasma-bubble methods. In this study, we propose a new scheme to produce an intense field of ~ tens of GV/m, a tunable long wavelength few-cycle infrared radiation from 20 to 30 μm and even longer based on the oscillations of the surface electron film that using a relativistic electron beam propagates in the micro-tube. The radiation source is guided entirely by a relativistic electron beam and formed a stable $\mathrm{TM}$ propagation mode in the micro-tube. The wavelength and intensity are regulated by changing the micro-tube radius and the charge of the driving electron beam, both of which change nearly linearly. This opens up new opportunities for applications of the relativistic intensity infrared radiation to high-field physics, shorter attosecond pulses generation and charged particle acceleration.

Relativistic electron beam

Attosecond

10.1364/opticaopen.23994783.v1

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Ionization Effect of Atmosphere by Prompt <formula formulatype="inline"><tex Notation="TeX">$\gamma $</tex></formula> Rays From High-Altitude Nuclear Explosions

IEEE Transactions on Nuclear Science (2014)

Jian–Ming Ouyang Yan-Yun Ma F. Q. Shao Tong-Pu Yu Zou De-Bin

The ionization processes and temporal evolutions of atmosphere ionized by prompt $\gamma $ rays from high-altitude nuclear explosions are studied by numerical simulations. With the increasing of the burst point, the peak energy density of the Compton electrons decreases, but the corresponding altitude of the peak rises, which is 30 km directly below the burst point, and 40 km–50 km below the burst height 1000 km from the burst point following Earth's surface curvature. It is shown that the prompt $\gamma $ rays have significant ionization effects on the atmosphere from the burst point to several kilometers from the burst point, and the affected area increases with the rising of the burst point. By the secondary ionization, the Compton electrons produce many more low-energy electrons whose lifetime increases with the rising of the altitude.

10.1109/tns.2014.2320595

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Resonant absorption and not-so-resonant absorption in short, intense laser irradiated plasma

Physics of Plasmas (2013)

Z. Y. Ge Wen-Kai Yu H. B. Zhuo C. T. Zhou Y. Y.

Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Z. Y. Ge, W. Yu, H. B. Zhuo, C. T. Zhou, Y. Y. Ma, X. H. Yang, T. P. Yu, D. B. Zou, S. X. Luan, Y. Yin, F. Q. Shao, X. J. Peng; Resonant absorption and not-so-resonant absorption in short, intense laser irradiated plasma. Physics of Plasmas 1 July 2013; 20 (7): 073301. https://doi.org/10.1063/1.4813254 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAIP Publishing PortfolioPhysics of Plasmas Search Advanced Search |Citation Search

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10.1063/1.4813254

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Positron generation via ultra-intense laser pulses colliding in a cylinder filled with near-critical-density plasmas

Fifth International Symposium on Laser Interaction with Matter (2019)

Jianxun Liu Yuan Zhao Tong-Pu Yu Yan-Yun Ma Jun Zhao

A new scheme is proposed in which high-flux and high-density positrons are generated via ultra-intense laser pulses colliding in a cylinder filled with near-critical-density plasmas. Comparing with the only cylinder case and the only gas case, positron generation is enhanced with a higher density. When discussing the influence of plasma density in positron generation, an optimal gas density is found around the near-critical density. The scheme will facilitate the realization of positron generation in labs and further applications of positrons.

Realization (probability)

10.1117/12.2520302

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Study α decay and proton emission based on data-driven symbolic regression

Computer Physics Communications (2024)

Jun-Hao Cheng Binglin Wang Wenyu Zhang Xiaojun Duan Tong-Pu Yu

Proton decay

10.1016/j.cpc.2024.109317

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Rotating attosecond electron sheets and ultra-brilliant multi-MeV γ-rays driven by intense laser pulses

High Power Laser Science and Engineering (2024)

Li-Xiang Hu Tong-Pu Yu Yue Cao Min Chen D. B. Zou

Abstract Isolated multi-MeV $\gamma$ -rays with attosecond duration, high collimation and beam angular momentum (BAM) may find many interesting applications in nuclear physics, astrophysics, etc. Here, we propose a scheme to generate such $\gamma$ -rays via nonlinear Thomson scattering of a rotating relativistic electron sheet driven by a few-cycle twisted laser pulse interacting with a micro-droplet target. Our model clarifies the laser intensity threshold and carrier-envelope phase effect on the generation of the isolated electron sheet. Three-dimensional numerical simulations demonstrate the $\gamma$ -ray emission with 320 attoseconds duration and peak brilliance of $9.3\times 10^{24}$ photons s ${}^{-1}$ mrad ${}^{-2}$ mm ${}^{-2}$ per 0.1 $\%$ bandwidth at 4.3 MeV. The $\gamma$ -ray beam carries a large BAM of $2.8 \times 10^{16}\mathrm{\hslash}$ , which arises from the efficient BAM transfer from the rotating electron sheet, subsequently leading to a unique angular distribution. This work should promote the experimental investigation of nonlinear Thomson scattering of rotating electron sheets in large laser facilities.

Attosecond

Thomson scattering

Collimated light

10.1017/hpl.2024.66

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Citations (1)

Generation and Acceleration of Isolated-Attosecond Electron Bunch in a Hollow-Channel Plasma Wakefield

arXiv (Cornell University) (2024)

Liang-Qi Zhang Meiyu Si Tong-Pu Yu Yuanjie Bi Yongsheng Huang

We propose a novel scheme for generating and accelerating simultaneously a dozen-GeV isolated attosecond electron bunch from an electron beam-driven hollow-channel plasma target. During the beam-target interaction, transverse oscillations of plasma electrons are induced, and subsequently, a radiative wakefield is generated. Meanwhile, a large number of plasma electrons of close to the speed of light are injected transversely from the position of the weaker radiative wakefield (e.g., the half-periodic node of the radiative wakefield) and converge towards the center of the hollow channel, forming an isolated attosecond electron bunch. Then, the attosecond electron bunch is significantly accelerated to high energies by the radiative wakefield. It is demonstrated theoretically and numerically that this scheme can efficiently generate an isolated attosecond electron bunch with a charge of more than 2 nC, a peak energy up to 13 GeV of more than 2 times that of the driving electron beam, a peak divergence angle of less than 5 mmrad, a duration of 276 as, and an energy conversion efficiency of 36.7% as well as a high stability as compared with the laser-beam drive case. Such an isolated attosecond electron bunch in the range of GeV would provide critical applications in ultrafast physics and high energy physics, etc.

Attosecond

Plasma acceleration

Plasma channel

10.48550/arxiv.2412.14653

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Copious positron production by femto-second laser via absorption enhancement in a microstructured surface target

Scientific Reports (2020)

Ye-Chen Wang Y. Yin Weiquan Wang D. B. Zou Wen-Xuan Miao

Abstract Laser-driven positron production is expected to provide a non-radioactive, controllable, radiation tunable positron source in laboratories. We propose a novel approach of positron production by using a femto-second laser irradiating a microstructured surface target combined with a high-Z converter. By numerical simulations, it is shown that both the temperature and the maximum kinetic energy of electrons can be greatly enhanced by using a microstructured surface target instead of a planar target. When these energetic electrons shoot into a high Z converter, copious positrons are produced via Bethe-Heitler mechanism. With a laser (wavelength λ = 1 μm) with duration ~36 fs, intensity ~5.5 × 10 20 W/cm 2 and energy ~6 Joule, ~10 9 positrons can be obtained.

Pair production

10.1038/s41598-020-61964-6

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Citations (7)