Precision-controlled ultrafast electron microscope platforms. A case study: Multiple-order coherent phonon dynamics in 1T-TaSe${}_2$ probed at 50 femtosecond - 10 femtometer scales

Xiaoyi Sun, Joseph William, Sachin Sharma +4

We report on the first detailed beam test attesting the fundamental principle behind the development of high-current-efficiency ultrafast electron microscope systems where a radio-…