You know third-harmonic generation as an imaging signal. Turns out it can also reveal second- and third-order pulse dispersion right at the focal plane, even deep inside living mouse brain. Check out our lab's preprint! www.biorxiv.org/content/10.6...
biorxiv.org
In situ pulse dispersion estimation via third-harmonic generation interferometric autocorrelation for multiphoton microscopy
Three-photon microscopy enables deep-tissue imaging but is highly sensitive to excitation pulse quality, since three-photon excitation efficiency scales with the cube of instantaneous intensity. Group...