A device and appliance is provided for the high-speed decontamination of objects by means of pulsed light, including: an illuminating structure suitable for illuminating a decontamination area in which the objects are arranged, the illuminating structure being suitable for producing streams of light pulses having wavelengths of 200 nm to 300 nm and an adjustable pulse rate； and a positioner suitable for positioning the objects in the decontamination area according to a predetermined arrangement, also including a cooler suitable for maintaining the temperature of the decontamination area substantially below a predetermined temperature when the decontamination area is illuminated, the cooler including an apparatus for circulating a cooling fluid built into the positioner.
