Figure 4
From: Multi-mW, few-cycle mid-infrared continuum spanning from 500 to 2250 cm−1
Characterization of the self-compressed driving pulses. (a) The input, measured, and retrieved spectra of the self-compressed driving pulse and the simulated spectrum (see Methods). The spectra extend from 1700 to 2500 nm. (b) The retrieved temporal intensity and phase measured by a home-built SHG-FROG, and the simulated pulse duration. The retrieved FWHM pulse duration of 15 fs agrees well with the Fourier transform limit of 15.5 fs, which is within measurement uncertainty. (c) The measured and retrieved SHG-FROG traces.
