Single-shot ultrafast visualization and measurement of laser-matter interactions in flexible glass using frequency domain holography.

We perform single-shot frequency domain holography to measure the ultrafast spatio-temporal phase change induced by the optical Kerr effect and plasma in flexible Corning Willow Glass during femtosecond laser-matter interactions. We measure the nonlinear index of refraction ($ {n_2} $n) to be $(3.6 \pm 0.