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Figure 1
Basic principle of THz streaking. The FEL pulse ionizes noble gas atoms and the resulting photoelectron kinetic energy distribution is detected by an electron time-of-flight (eTOF) detector. The ionization takes place in the presence of a strong linearly polarized THz field influencing the kinetic energy distribution of the photoelectrons. Thus, the XUV pulse profile and arrival time are mapped on the kinetic energy distribution by the THz field.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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