Ultrafast Science / 2021 / Article / Fig 2

Research Article

Ultrafast Hole Deformation Revealed by Molecular Attosecond Interferometry

Figure 2

Joint measurements of high-harmonic and terahertz spectroscopy (HATS). (a) Schematic illustration of the experimental setup of HATS. is the phase delay between two-color fields. (b) CCD camera images (pseudocolor) of high-harmonic spectroscopy with or without the second-harmonic pulse. (c) Normalized terahertz waveforms as a function of and time delay for electrooptic sampling (EOS). (d) Alignment-dependent terahertz yields at the optimal two-color phase delay (OP, red dots) and OP+0.5π (blue dots). The scanning angle step of the alignment angle is 2 degrees.