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Image for: Milestone study of excitation of electrons in GaAs at the attosecond level


(A) An intense few-cycle infrared (IR) laser pulse is combined with a single attosecond probe pulse with a spectrum in the extreme-ultraviolet (XUV) energy regime.
(A) An intense few-cycle infrared (IR) laser pulse is combined with a single attosecond probe pulse with a spectrum in the extreme-ultraviolet (XUV) energy regime.

Source: Adapted from Schlaepfer et al., Nature Physics doi:10.1038/s41567-018-0069-0 (2018)

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