High Power Laser and Particle Beams, Volume. 37, Issue 5, 054003(2025)
Design of a 2.5 MeV miniaturization accelerator with high average beam power based on dielectric materials
Figures & Tables(14)
Fig. 2. Comparison between a conventional iris-loaded accelerating structure and a hybrid dielectric-iris-loaded accelerating structure
Fig. 3. Optimized hybrid dielectric-iris-loaded accelerating structure
Fig. 10. Beam size and energy distribution at the end of the linac
Table 1. Comparison of structural parameters between the disk-loaded accelerating structure and the hybrid dielectric-iris-loaded accelerating structure
View tableView in ArticleTable 1. Comparison of structural parameters between the disk-loaded accelerating structure and the hybrid dielectric-iris-loaded accelerating structure
structure L/mm a/mm g/mm b/mm h/mm ht/mm disk-loaded accelerating structure 34.99 10.75 19.99 41.1 − − hybrid dielectric-iris-loaded accelerating structure 34.99 10.75 19.99 31.35 20 5
Table 2. Comparison of microwave parameters between the disk-loaded accelerating structure and the hybrid dielectric-iris-loaded accelerating structure
View tableView in ArticleTable 2. Comparison of microwave parameters between the disk-loaded accelerating structure and the hybrid dielectric-iris-loaded accelerating structure
structure f/MHz R/Q of TM01 Q vg/c R/Q of HEM11 disk-loaded accelerating structure 2856 4656 14096 0.0115 4300 hybrid dielectric-iris-loaded accelerating structure 2856 2626 7140 0.0061 2067
Table 3. Design and operation parameters of the linac
View tableView in ArticleTable 3. Design and operation parameters of the linac
f/MHz Ein/keV εrms/(μm·rad) Pin/MW Eoutput/MeV $ {\bar {{P}}}_{\mathrm{I}} $ Ib/mA duty factor/% 2856 50 2.5 3.5 2.5 16 800 0.8
Table 4. single cavity parameters of linac
View tableView in ArticleTable 4. single cavity parameters of linac
cavity βg cavity number L/mm a/mm g/mm h/mm ht/mm Q R/(MΩ/m) vg bunch cavity 1 0.5 2 17.5 10.75 12.5 20 5 4000 5 0.0048 bunch cavity 2 0.7 2 24.5 10.75 19.5 20 5 5800 10 0.0057 accelerating cavity 1 11 35 10.75 30 20 5 7140 17 0.0061
Tools
Get Citation
Copy Citation Text
Yuxuan Fan, Jinghe Yang, Zhibin Zhu, Bo Wang, Changqiang Wang, Han Lei. Design of a 2.5 MeV miniaturization accelerator with high average beam power based on dielectric materials[J]. High Power Laser and Particle Beams, 2025, 37(5): 054003
Paper Information
Category: Special Column of 4th Symposium on Frontier of HPLPB
Received: Jan. 1, 2024
Accepted: Aug. 26, 2024
Published Online: May. 22, 2025
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20