Teaser: Schematic of extreme-ultraviolet high-harmonic interferometry of solids (IMAGE)

Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI)

Teaser: Schematic of extreme-ultraviolet high-harmonic interferometry of solids

Caption

Schematic of extreme-ultraviolet high-harmonic interferometry of solids.
Two phase-locked near-infrared pulses generate high-order harmonics in a solid sample. Interference of the emitted XUV fields encodes transient changes in the electronic bandgap, revealing how strong-field excitation modifies the material’s electronic structure on femtosecond timescales.

Credit

MBI / Dr. Peter Jürgens-Goltermann

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