Abstract
The energy distribution of electrons photoemitted from a hot, solid-density plasma created by photoexciting a Ag surface with two collinear, p-polarized, 90 fs pulses was measured via photoelectron time-of-flight spectroscopy. At zero time delay the average photoelectron energy corresponds to several 105 K and drops to half this value when the time delay exceeds 180 fs. Time-resolved reflectivity studies, under similar excitation conditions, indicate electron heating is pulsewidth limited, but recovery caused by electron cooling and surface expansion occurs over several picoseconds.
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Banyai, W.C. et al. (1990). Femtosecond Photoemission and Reflectivity Measurements of High Temperature Electron Dynamics in Solid Density Plasmas. In: Harris, C.B., Ippen, E.P., Mourou, G.A., Zewail, A.H. (eds) Ultrafast Phenomena VII. Springer Series in Chemical Physics, vol 53. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84269-6_36
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DOI: https://doi.org/10.1007/978-3-642-84269-6_36
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