Absolute measurement of the ultrafast nonlinear electronic and rovibrational response in H${}_2$ and D${}_2$

J. K. Wahlstrand, S. Zahedpour, Y. -H. Cheng +2

The electronic, rotational, and vibrational components of the ultrafast optical nonlinearity in H${}_2$ and D${}_2$ are measured directly and absolutely at intensities up to the ioniza…