Transient grating study of the intermolecular dynamics of liquid nitrobenzene
Wu Hong-Lin1, Song Yun-Fei2, Yu Guo-Yang2, Yang Yan-Qiang1, 2, †,
       

Formation of transient grating due to the interference of two writing beams. The probe beam incident at the Bragg angle is diffracted along the phase matching direction k1k2 + k3.