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【摘要】

Time-resolved angle-resolved photoemission spectroscopy (Tr-APRES) provides direct insight into electron dynamics, unveiling numerous intrinsic ultrafast dynamics of novel materials, including bandgap, charge carrier scattering, relaxation, and collective excitation with temporal-, energy-, and momentum-resolved information in one experiment. We have developed a duo-Yb-KGW laser-based HHG EUV Tr-ARPES apparatus at NSRRC. In this colloquium, we will offer a brief overview of the current status and specification of the Tr-ARPES setup as well as explore the scientific opportunities it presents.