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XV International Symposium on "Radiation from Relativistic Electrons in Periodic Structures "RREPS-25"

15–19 Sept 2025
Asia/Shanghai timezone

Contacs

Session

Laser-driven particle accelerators and radiation sources

18 Sept 2025, 13:30

Conveners

Laser-driven particle accelerators and radiation sources

  • Tian Ye (State Key Laboratory of Ultra-intense Laser Science and Technology, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS))

Presentation materials

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  1. 348. Generation Mechanism of High-energy Polarized and Vortex Particle Beams Driven by Strong Fields
    Jianxing Li (Xi'an Jiaotong University)
    18/09/2025, 13:30
    Invited

    Recently, with the rapid developments of ultra-strong ultra-short laser technologies, strong laser field driven high-energy polarized and vortex particle beams (e.g., electrons, positrons and Gamma-photons) with spin and orbital angular momenta, which have significant applications in many fields, have attracted broad interests. However, their generation and measurement are still great...

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  2. 349. Compact Free-Electron Lasers: Progress and Prospects
    Ke Feng (Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences)
    18/09/2025, 13:55
    Invited

    Laser wakefield accelerators (LWFAs) possess extraordinary acceleration gradients exceeding 100 GV/m, offering remarkable potential for compact particle accelerators and table-top X-ray free-electron lasers (FELs). The realization of a table-top FEL driven by laser wakefield acceleration has been identified as one of the most significant challenges in this field for the decade. While several...

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  3. 320. Attosecond Electron and γ-Ray Pulse Generation Using Intense Spatiotemporal Optical Vortex Lasers
    Wenpeng Wang (Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences)
    18/09/2025, 14:20
    Laser-driven particle accelerators and radiation sources
    Invited

    Isolated attosecond γ-ray pulses are valuable for probing ultrafast phenomena, particularly in nuclear research. Traditional Gaussian lasers achieve this in the direct acceleration mechanisms but suffer from beam divergence and require dual laser systems, limiting compactness. Here, we demonstrate the generation of an isolated attosecond γ-ray pulse with transverse orbital angular momentum...

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  4. 350. Dynamics and Radiation of Relativistic Electrons in Counter-propagating Laser Fields
    Qingzheng Lv (University of Chinese Academy of Sciences)
    18/09/2025, 14:45
    Invited
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