Picosecond investigation of photorefractive and free carrier gratings in GaAs: EL2 and CdTe: V Philippe Delaye, Kestutis Jarasiunas, Jean-Claude Launay et Gérald RoosenJ. Phys. III France, 3 7 (1993) 1291-1303DOI: https://doi.org/10.1051/jp3:1993199