Background: With the development of design and construction technology in accelerator fields
high-quality beam brings challenges to beam diagnostics. Purpose: To meet the strict requirements
new beam measurement techniques have emerged. One of them is the Transverse Deflecting Structure (TDS) method that possesses advantages of versatility and high precision. This paper aims to design a TDS Structure for longitudinal measurements. Methods: Based on the work on TDS by scientists around the world
the Computer Simulation Technology-MICROWAVE STUDIO (CST-WS) software was applied to design a TDS cell structure-Disk loaded waveguide structure with two peripheral recesses matched to Hefei Light Source (HLS) parameters. Beam dynamics simulations are executed by using MATLAB and PARMELA to show the evolution of the bunch distribution in the structure
respectively. Results: Dimensions of this TDS
the field type and the resulting dispersion curve are obtained. And the impacts on the operating frequency of feature sizes are explicated. Conclusion: This structure can get the desired deflection field type. Stabilizing mode method can realize stable ~25.5 MHz frequency separation
which can be proved effective through CST simulations. Characteristic dimension b impacts the operating frequency most
and dr impacts changes most for different polarization modes. MATLAB and PARMELA simulation are consistent. Abstract
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Related Author
TU Yu
SUN Liang
XI Yue
WANG Yidi
YUAN Weiye
LIU Fuyan
LIU Longpeng
CAO Xingzhong
Related Institution
State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University
Multi-discipline Research Center, Institute of High Energy Physics, Chinese Academy of Sciences
China Institute of Atomic Energy, Cyclotron Research and Design Center
School of Nuclear Science and Engineering, East China University of Technology
Engineering Research Center of Nuclear Technology Application, East China University of Technology, Ministry of Education