The device (1) comprises a controllable illumination module (2) comprising a laser source (3) capable of emitting a laser pulse, a controllable high-speed shutter (5), and an activatable control unit (6) which controls said illumination module (2) and said shutter (5) simultaneously, and which synchronizes the generation of laser pulses by the illumination module (2) and the opening of the shutter (5) so as to move said shutter (5) into an open position, an adjustable time lag after the generation of a laser pulse, and this over an adjustable opening period, said illumination module (2) and said shutter (5) forming part of an assembly (12) having mechanical integrity.