Speaker
Description
The Hefei Infrared Free Electron Laser (HiFEL) is a user facility built by the University of Science and Technology of China, dedicated to energy chemistry research. The facility operates in a special mode: a macro-pulse with a variable repetition rate of 1 Hz to 10 Hz contains micro-pulses with variable repetition rates of 29.75/59.5/119/238 MHz, and the macro-pulse width is on the order of microseconds. Recently, the beam position measurement system of the facility has been upgraded to a diagnostic system with bunch-by-bunch resolution, enabling precise measurement of the transverse position, longitudinal phase, and charge of each micro-pulse. Based on bunch-by-bunch diagnostic technology, parameters such as the evolution of micro-pulses at different positions and times, as well as energy differences in the bending section, have been monitored and analyzed. This provides new tools and perspectives for operational beam tuning.
Funding Agency
Work supported by Large-Scale Scientific Facility Renovation and Upgrade Project of the Chinese Academy of Sciences -“Universal SignalProcessing Platform for Accelerator Beam Measurement and Control”.
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