Numerically optimized structures for dielectric asymmetric dual-grating laser accelerators. Aimidula, A., Bake, M. A., Wan, F., Xie, B. S., Welsch, C. P., Xia, G., Mete, O., Uesaka, M., Matsumura, Y., Yoshida, M., & Koyama, K. Physics of Plasmas (1994-present), 21(2):023110, February, 2014. ![Numerically optimized structures for dielectric asymmetric dual-grating laser accelerators [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Optical scale dielectric structures are promising candidates to realize future compact, low cost particle accelerators, since they can sustain high acceleration gradients in the range of GeV/m. Here, we present numerical simulation results for a dielectric asymmetric dual-grating accelerator. It was found that the asymmetric dual-grating structures can efficiently modify the laser field to synchronize it with relativistic electrons, therefore increasing the average acceleration gradient by ∼10% in comparison to symmetric structures. The optimum pillar height which was determined by simulation agrees well with that estimated analytically. The effect of the initial kinetic energy of injected electrons on the acceleration gradient is also discussed. Finally, the required laser parameters were calculated analytically and a suitable laser is proposed as energy source.
@article{ aimidula_numerically_2014,
title = {Numerically optimized structures for dielectric asymmetric dual-grating laser accelerators},
volume = {21},
issn = {1070-664X, 1089-7674},
url = {http://scitation.aip.org/content/aip/journal/pop/21/2/10.1063/1.4866020},
doi = {10.1063/1.4866020},
abstract = {Optical scale dielectric structures are promising candidates to realize future compact, low cost particle accelerators, since they can sustain high acceleration gradients in the range of {GeV}/m. Here, we present numerical simulation results for a dielectric asymmetric dual-grating accelerator. It was found that the asymmetric dual-grating structures can efficiently modify the laser field to synchronize it with relativistic electrons, therefore increasing the average acceleration gradient by ∼10% in comparison to symmetric structures. The optimum pillar height which was determined by simulation agrees well with that estimated analytically. The effect of the initial kinetic energy of injected electrons on the acceleration gradient is also discussed. Finally, the required laser parameters were calculated analytically and a suitable laser is proposed as energy source.},
number = {2},
urldate = {2014-03-07TZ},
journal = {Physics of Plasmas (1994-present)},
author = {Aimidula, A. and Bake, M. A. and Wan, F. and Xie, B. S. and Welsch, C. P. and Xia, G. and Mete, O. and Uesaka, M. and Matsumura, Y. and Yoshida, M. and Koyama, K.},
month = {February},
year = {2014},
keywords = {Crystal structure, Dielectrics, Diffraction gratings, Electric currents, Electric fields, Fiber lasers, Laser safety, Silica, Speed of light, Surface structure},
pages = {023110}
}
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