Wei, Y, Ibison, M, Resta-Lopez, J, Welsch, C, Ischebeck, R, Jamison, S, Xia, G, Dehler, M, Prat, E and Smith, J
Energy efficiency studies for dual-grating dielectric laser-driven accelerators.
There is a more recent version of this item available. |
Text
1712.04759v1.pdf - Author Accepted Manuscript Download (580kB) |
Abstract
Dielectric laser-driven accelerators (DLAs) can provide high accelerating gradients in the GV/m range due to their having higher breakdown thresholds than metals, which opens the way for the miniaturization of the next generation of particle accelerator facilities. Two kinds of scheme, the addition of a Bragg reflector and the use of pulse-front-tilted (PFT) laser illumination, have been studied separately to improve the energy efficiency for dual-grating DLAs. The Bragg reflector enhances the accelerating gradient of the structure, while the PFT increases the effective interaction length. In this paper, we investigate numerically the advantages of using the two schemes in conjunction. Our calculations show that, for a 100-period structure with a period of 2 micrometer, such a design effectively increases the energy gain by more than 100 % when compared to employing the Bragg reflector with a normal laser, and by about 50 % when using standard structures with a PFT laser. A total energy gain of as much as 2.6 MeV can be obtained for a PFT laser beam when illuminating a 2000-period dual-grating structure with a Bragg reflector.
Item Type: | Article |
---|---|
Additional Information: | 7 pages, 4 Figures, Proceedings of EAAC2017 Conference |
Uncontrolled Keywords: | physics.acc-ph, physics.acc-ph |
Depositing User: | Symplectic Admin |
Date Deposited: | 15 Dec 2017 15:52 |
Last Modified: | 19 Jan 2023 06:48 |
Related URLs: | |
URI: | https://livrepository.liverpool.ac.uk/id/eprint/3014269 |
Available Versions of this Item
- Energy efficiency studies for dual-grating dielectric laser-driven accelerators. (deposited 15 Dec 2017 15:52) [Currently Displayed]