Development of a sub-nanosecond pulse generator and its beam experiments
A sub-nanosecond pulse generator (sub-nano-PG) for the electron gun of Hefei Advanced Light Facility (HALF; Hefei, China) was developed and assessed in this study. The designed sub-nano-PG comprised avalanche transistors, a printed circuit board with a tapered impedance discharge structure, and a compensation inductor. The discharge structure and compensation inductance were found to optimize the output waveform. In addition, the sub-nano-PG was found to generate a -757 V pulse with 511 ps full width at half-maximum. The beam experiment results showed that the beam current stability was better than 1.6% at 1 A beam current, which complied with the design requirements of HALF.
Authors
- Zhigang He
- Feng-lei Shang (ORCID: https://orcid.org/0000-0002-1417-7435)
- Chunyu Xu
- Lei Shang
- Wenbin Song
Institutions
- University of Science and Technology of China (CN)
- National Synchrotron Radiation Laboratory (CN)
Publication Details
- Journal
- Review of Scientific Instruments
- Published
- 2025-04-01
- DOI
- https://doi.org/10.1063/5.0251627
- Primary Topic
- Particle Accelerators and Free-Electron Lasers
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Natural Science Foundation of China