"Search for optical nonlinearity in vacuum with intense laser fields, with the DeLLight experiment / Aur\u00E9lie Max Mailliet ; sous la direction de Xavier Sarazin et de Fran\u00E7ois Couchot / , 2023" . "1"^^ . . . . . . . . . . . . . . . . . . . . "2023"^^ . . . .