Author: Ibison, M.G.
Paper Title Page
THPML043 Optimization of Dielectric Laser-Driven Accelerators 4737
 
  • C.P. Welsch, M.G. Ibison, Y. Wei
    The University of Liverpool, Liverpool, United Kingdom
  • M.G. Ibison, Y. Wei, C.P. Welsch
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
  • J.D.A. Smith
    TXUK, Warrington, United Kingdom
  • G.X. Xia
    UMAN, Manchester, United Kingdom
 
  Funding: This project has received funding from the European Union's Seventh Framework Programme for research, technological development and demonstration under grant agreement no 289191.
Dielectric laser-driven accelerators (DLAs) utilizing large electric field from commercial laser system to accelerate particles with high gradients in the range of GV/m have the potential to realize a first particle accelerator ‘on a chip'. Dual-grating structures are one of the candidates for DLAs. They can be mass-produced using available nanofabrication techniques due to their simpler structural geometry compared to other types of DLAs. Apart from the results from optimization studies that indicate the best structures, this contribution also introduces two new schemes that can help further improve the accelerating efficiency in dual-grating structures. One is to introduce a Bragg reflector that can boost the accelerating field in the channel, the other applies pulse-front-tilt operation for a laser beam to help extend the interaction length.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-THPML043  
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