Speaker
Description
Steady-state microbunching (SSMB) has been proposed as a new light source mechanism to generate high average power coherent radiation in electron storage rings. One approach to achieving SSMB is the reversible microbunching scheme, which introduces a laser-based energy modulation to electron bunches in a localized insertion section to form microbunching, and then uses a subsequent energy demodulation to remove the microbunching and restore the bunches to their nominal state in the storage ring. In this paper, we report a modulation–demodulation lattice design for an SSMB storage ring based on the reversible microbunching approach. By self-consistently accounting for non-ideal effects such as intrabeam scattering (IBS) and higher-order nonlinearities, sub-nanometer longitudinal position deviations of the electrons between the laser modulators can be achieved, ensuring precise cancellation of the energy modulation and maintaining the electron bunches in a steady state, thereby ensuring high average radiation power.
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