Speaker
Description
High energy resolution is essential for advanced spectroscopic studies of quantum materials, especially for resolving low-energy electronic features in angle-resolved photoemission spectroscopy (ARPES). However, existing light sources for ARPES still face difficulties in simultaneously providing narrow bandwidth and high photon flux. We are developing a 10-MHz coherent light source based on angular-dispersion-induced microbunching (ADM), aiming to generate narrow-band radiation with sub-meV-level energy resolution. Start-to-end simulations from the injector to the radiator have been performed to evaluate the beam dynamics and radiation performance. The simulation results show that the proposed source can provide sub-meV-level energy resolution and a photon flux above $10^{12}$ photons/s over a broad photon-energy range.
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