The Radio-Frequency Technology Group is a key research division under the Accelerator Technology Center. It is dedicated to cutting-edge research and talent cultivation in the field of radio-frequency (RF) technologies for normal-conducting linear accelerators, cyclotrons, and synchrotrons. The group's interdisciplinary research spans magnetic materials science, electromagnetic field and microwave technology, mechanical design, automatic control, digital signal processing, analog and digital circuit design, and computer control systems. It boasts a dynamic and innovative research team, including 4 Professors, 7 Senior Engineers, 3 Ph.D. holders, 15 Master's degree holders, 3 Ph.D. candidates and 3 Master's candidates.

The group has successfully delivered the RF systems for several major national scientific facilities. Currently, it is undertaking multiple projects funded by the Chinese Academy of Sciences (CAS), the Ministry of Science and Technology (MOST), and the National Natural Science Foundation of China (NSFC). Key ongoing projects include: High Intensity heavy-ion Accelerator Facility (HIAF) Synchrotron RF System, Pre-research on High-Gradient, Wide-Bandwidth, Fast-Response Magnetic Alloy RF Systems. Furthermore, the group is responsible for the pre-research, design, and construction of normal-conducting RF systems for several major scientific and applied facilities, such as: Heavy-Ion Medical Machine (HIMM), Space Environment Simulation and Research Infrastructure - 300MeV Proton/Heavy-Ion Accelerator, Proton Displacement Damage Effect Simulation Facility.

1. Design of Magnetic-Material-Loaded RF Cavities

2. Design of Normal-Conducting RF Resonators

3. Design of Tetrod-Based and Solid-State RF Power Sources

4. Design of High-Performance Digital Low-Level RF Control Systems

5. Design of Computerized Control Systems

Publications:

1. Design of the deceleration magnetic alloy cavity for a high-intensity heavy-ion accelerator facility Spectrometer Ring, NIMA

2. Phase stabilization design for radio-frequency system of the IMP HIRFL-SSC, NIMA

3. Low-level radio frequency system upgrade for the IMP Heavy Ion Reach Facility in Lanzhou, NIMA

4. Dual-harmonic broadband low-level RF system for HIAF booster, Radiation Detection Technology and Methods

5. MA-core loaded untuned RF compression cavity for HIRFL-CSR, NIMA

6. Dual-mode high voltage sawtooth wave buncher for low energy ion injection at HIRFL SFC cyclotron, Radiation Detection Technology and Methods

7. RF system of HIRFL-CSRe, SCIENCE CHINA Physics, Mechanics & Astronomy

8. Magnetic alloy cores for the HIRFL-CSRm compressor cavity, Nuclear Science and Techniques

9. An untuned MA-load cavity for HIRFL-CSR. Chinese Physics C

10. RF system design and measurement of HIRFL-CSR, Chinese Physics C

Awards:

1. Lanzhou Heavy Ion Accelerator Cooling Storage Ring (HIRFL-CSR) Project, Second Prize, National Science and Technology Progress Award, 2012

2. Research on Carbon Ion Cancer Therapy and Development & Industrialization of a Large-Scale Tumor Treatment Facility, Special Prize, Gansu Provincial Science and Technology Progress Award, 2020

3. 300MeV Proton/Heavy-Ion Accelerator for Major National Space Radiation Demands, First Prize, Gansu Provincial Science and Technology Progress Award, 2024

4. Proton Displacement Damage Effect Simulation Facility for Major National Aerospace Demands, Special Prize, Chinese Nuclear Society Technology Invention Award, 2025