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Progress of steady-state microbunching research | |
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Funding: Work supported by the National Key Research and Development Program of China No. 2022YFA1603400 and the Tsinghua University Initiative Scientific Research Program No. 20197050028, 20191081195. Steady-state microbunching (SSMB) is a new concept radiation-generation mechanism that utilizes laser and a specially designed magnetic lattice to create and maintain fine structures in a high-quality electron beam for coherent light emission [1]. The SSMB concept combines major advantages of conventional synchrotron light sources and linac-based free-electron lasers. It opens up a rich field for beam dynamics research and holds tremendous potential as one of the candidate options for next-generation light source for advanced semiconductor fabrication. The proof-of-principle demonstration experiment of SSMB has been accomplished [2]. R&D on a complete dedicated SSMB facility is currently underway [3]. In this talk, we will report on the progress on the beam dynamics design and optimization, as well as the key components including the laser enhancement cavity and electron injector of a SSMB light source. [1] Phys. Rev. Lett. 105, 154801 (2010) [2] Nature 590, 576¿579 (2021). [3] Acta Phys. Sin. 71, 152901 (2022). |
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