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19–24 May 2024
Music City Center
US/Central timezone

X-band high gradient accelerating structure for VIGAS project at Tsinghua university

MOCD1
20 May 2024, 15:00
20m
Davidson Ballroom (Music City Center)

Davidson Ballroom

Music City Center

201 Rep. John Lewis Way S, Nashville, TN 37203, USA
Contributed Oral Presentation MC7.T06 Room Temperature RF MOCD: Accelerator Technology and Sustainability (Contributed)

Speaker

Mr Qingzhu Li (Tsinghua University)

Description

A light source project named Very Compact Inverse Compton Gamma-ray Source (VIGAS) is under development at Tsinghua University. VIGAS aims to generate monochromatic high-energy gamma rays by colliding a 350 MeV electron beam with a 400-nm laser. To produce a high-energy electron beam in a compact accelerator with a length shorter than 12 meters, the system consists of an S-band high-brightness injector and six X-band high-gradient accelerating structures. The X-band structure’s frequency is 11.424 GHz, and it adopts a constant gradient traveling wave approach; thus, the iris from the first cell to the end cell is tapered. The total cell number is 72, so we named it XT72. In the last two years, we conducted the design, fabrication, and tuning of the first prototype of XT72. Recently, we finished the high-power test, and the result demonstrates that it has the ability to work at an 80 MV/m gradient. In this paper, we present the latest update on this structure.

Region represented Asia

Author

Qiang Gao (Tsinghua University)

Co-authors

Jiaru Shi (Tsinghua University) Hao Zha (Tsinghua University) Xiancai Lin (Tsinghua University) Fangjun Hu (Tsinghua University) Boyuan Feng (Tsinghua University) Hongyu Li (Tsinghua University) Weihang Gu (Tsinghua University) Mr Qingzhu Li (Tsinghua University) An Li (Tsinghua University) Wenhui Huang (Tsinghua University) Chuanxiang Tang (Tsinghua University) Huaibi Chen (Tsinghua University) Yingchao Du (Tsinghua University) Jian Gao (Tsinghua University) Heng Deng (Tsinghua University) Jiayang Liu (Tsinghua University)

Presentation materials

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