强激光与粒子束2025，Vol.37Issue(5)：164-170,7.DOI:10.11884/HPLPB202537.240083
基于电介质的 2.5 MeV小型化高束流功率加速管设计
Design of a 2.5 MeV miniaturization accelerator with high average beam power based on dielectric materials
摘要
Abstract
Industrial linear accelerators are gradually moving towards high average beam power in small,compact shapes.The beam break-up effect due to the transverse wakefield is the main limitation to its performance improvement.The hybrid dielectric-iris-loaded structure is a new miniaturization accelerating structure with high average beam power.The main problem is difficulty in assembly and tuning.Through the study of dielectric based accelerating structures,a miniaturization accelerator with high average beam power was designed and optimized.During the research process,the influence of dielectric structural parameters on the accelerating structure size,accelerating gradient,and beam power was analyzed.The optimized accelerating structure size was reduced by about one-third compared to conventional iris-loaded accelerating structure.It can achieve the same acceleration gradient.The insertion of a simple dielectric tube into the dielectric structure made assembly and tuning easier.The optimized accelerator operats at S-band with the frequency of 2856 MHz and voltage of 2.5 MeV.During the research process,beam dynamics is calculated through numerical calculation methods and PARMELA.Our research provides an important groundwork for further development of irradiation linear accelerators.关键词
加速器/介质金属盘片混合加速结构/尾场/束流崩溃Key words
accelerator/hybrid dielectric-iris-loaded accelerating structure/wakefield/beam breakup分类
能源科技引用本文复制引用
范雨轩,杨京鹤,朱志斌,王博,王常强,雷瀚..基于电介质的 2.5 MeV小型化高束流功率加速管设计[J].强激光与粒子束,2025,37(5):164-170,7.基金项目
中国原子能科学研究院青年英才项目(YC222412001504) （YC222412001504）
