Speaker
Description
This study presents a theoretical investigation of steady-state microbunching (SSMB) within the design framework of the PAL-EUV ring. An analytic longitudinal dynamics model that includes laser-induced energy modulation, radiation damping and quantum excitation, and nonlinear momentum compaction is formulated to examine whether the baseline ring parameters can support sustained microbunch formation. Using this framework, we evaluate the required energy-chirp strength, the stability conditions for microbucket formation, and the expected radiation power under laser modulation. The analysis further identifies the conditions under which SSMB can be sustained, and provides key guidance for assessing its applicability to the PAL-EUV. These results establish a foundation for subsequent feasibility studies and future experimental development.
Funding Agency
This work was supported by the Basic Research Program (Grant No. RS-2025-00563391) funded by the National Research Foundation of Korea (NRF).
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