SHI Jiaru
Associate Professor
Ph.D.
Tel: 010-62795424
Email: shij@tsinghua.edu.cn
Educational Background
● 2004.09-2009.07: Department of Engineering Physics, Tsinghua University, Ph.D. in Nuclear Science and Technology.
● 2000.09-2004.07: Department of Engineering Physics, Tsinghua University, B.Eng. in Engineering Physics.
Work Experience
● 2022.08–Present: Department of Engineering Physics, Tsinghua University. Tenured Associate Professor.
● 2022.06–2024.06: Tsinghua Alumni Office. Deputy Director (Seconded);
Tsinghua Alumni Association, Deputy Secretary-General.
● 2016.08–2022.07: Department of Engineering Physics, Tsinghua University. Tenure-Track Associate Professor.
● 2012.10–2016.06: Department of Engineering Physics, Tsinghua University. Associate Research Professor.
● 2009.09–2012.08: European Organization for Nuclear Research (CERN). Postdoctoral Fellow / Marie Curie Fellow.
Teaching work
● Undergraduate Courses:
Microwave Technology
● Graduate Courses:
Advanced Electrodynamics
Accelerator Technology and Experiments
● Supervised 5 Ph.D. graduates and 4 master’s degree graduates;
● currently advising 11 Ph.D. candidates and 1 master’s degree student.
Research Field
Research focuses on accelerator physics and technology, with expertise spanning beam physics, electromagnetic field theory, and microwave technology. Specifically, the works specialize in developing advanced electron linear accelerators and their applications, as well as designing novel microwave structures and high-power microwave sources. The work has been recognized by the National Science Fund for Excellent Young Scholars (2019). To date, 20 nationally funded projects – such as NSFC initiatives – and have disseminated findings through 80+ SCI/EI-indexed publications. Currently serve as Associate Editor for IEEE Transactions on Nuclear Science and as an editorial board member of Nuclear Science and Technology (NST).
● Resent research covers:
(1) Electron Linear Accelerators
Developing specialized systems for cargo inspection, material irradiation, and radiotherapy.
(2) High-Gradient Accelerating Structures
Conducting theoretical and experimental studies on RF breakdown mechanisms in high-gradient structures, achieving stable operation at >110 MV/m ;
Developing an 80 MV/m accelerating structure for the main accelerating section of the Very Compact Inverse Compton Scattering Gamma-ray Source (VIGAS).
(3) RF Deflecting Cavities
Designing multi-type cavities for longitudinal beam shaping and diagnostics, demonstrating high transformer ratios in asymmetric beams.
(4) Novel Microwave Power Systems
Developing new microwave pulse compressors and coaxial magnetron power-combined microwave sources.
Research Situation
● 2024–2026: Development of Precision Stereotactic Radiotherapy System for Cardiac Arrhythmia and Prototype Engineering
Ministry of Science and Technology Key R&D Program, Principal Investigator
● 2024–2025: Design of 40 MeV High-Power Electron Linear Accelerator for Nuclear Medicine
Entrusted Project by Enterprise/Institution, Project Director
● 2024–2025: Development of S-band 10 MeV High-Power Accelerating Tube
Entrusted Project by Enterprise/Institution, Project Director
● 2023–2024: Technical Development of 3.1 MW Microwave System
Entrusted Project by Enterprise/Institution, Project Director
● 2023–2024: Key Component Development for 6 MeV Medical Electron Linear Accelerator
Entrusted Project by Enterprise/Institution, Project Director
Academic Achievements
● Design of a 100-MeV compact VHEE beam line in Tsinghua University，Frontiers in physics, Li, Hongyu ; Zha, Hao ; Lin, Xiancai ; Gao, Qiang ; Liu, Focheng ; Shi, Jiaru ; Chen, Huaibi, 2025
● Design and test of an X-band constant gradient structure, Physical review accelerators and beams, Qiang Gao, Hao Zha, Jiaru Shi, Xiancai Lin, Yingchao Du, Boyuan Feng, Hongyu Li, Heng Deng, Fangjun Hu, Jian Gao, Qingzhu Li, Weihang Gu, Jiayang Liu, Wenhui Huang, Chuanxiang Tang, and Huaibi Chen, 2024
● A compact X-band backward traveling-wave accelerating structure, Nuclear Science and Techniques, Xian-Cai Lin, Hao Zha, Jia-Ru Shi, Qiang Gao, Fang-Jun Hu, Qing-Zhu Li & Huai-Bi Chen, 2023
● Development of a compact linear accelerator to generate ultrahigh dose rate high-energy X-rays for FLASH radiotherapy applications, Medical Physics, Liu, Focheng; Shi, Jiaru; Zha, Hao; Li, Guohua; Li, An; Gu, Weihang; Hu, Ankang; Gao, Qiang; Wang, Haokun; Zhang, Liang; Liu, Jinsheng; Liu, Yaohong; Xu, Huijun; Tang, Chuanxiang; Chen, Huaibi；2023
● X-band two-stage rf pulse compression system with correction cavity chain Physical review accelerators and beams, Xiancai Lin, Hao Zha, Jiaru Shi, Yuliang Jiang, Fangjun Hu, Weihang Gu, Qiang Gao, and Huaibi Chen, 2022
Part-time Academic Job
● 2024–present: Particle Accelerator Society of China, Chinese Physical Society, Council Member
● 2024–present: Vacuum Electronics Society, Chinese Institute of Electronics, Committee Member
● 2020–present: Radiation Detection Technology and Methods, Editorial Board Member
● 2022–present: Nuclear Science and Techniques, Editorial Board Member & Associate Editor
● 2023–present: IEEE Transactions on Nuclear Science, Associate Editor
Award honors
● 2021: First Prize, Beijing Science and Technology Progress Award (6th key contributor)
● 2024: First Prize, Science and Technology Progress Award, Chinese Nuclear Society (1st key contributor)
● 2024: Second Prize, Beijing Science and Technology Progress Award (1st key contributor)
