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Persistent URL http://purl.org/net/epubs/work/46397542
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Record Id 46397542
Title Optimization of dielectric laser-driven accelerators
Abstract Dielectric laser-driven accelerators (DLAs) utilizing large electric fields 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-tilted (PFT) operation for a laser beam to help extend the interaction length. The combination of both schemes is also studied to improve the efficiency.
Organisation CI
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Language English (EN)
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Paper In Conference Proceedings In 9th International Particle Accelerator Conference (IPAC2018), Vancouver, Canada, 3 May 2019, (2018). doi:10.18429/JACoW-IPAC2018-THPML043 2018