Device for the detection of reflected and/or emitted light of an object when recognizing, checking, verifying and inspecting the authenticity of objects • with at least one illumination device , which is configured to illuminate the object with pulsed light, • with at least one sensor having a saturation limit, which is configured to sense the light reflected and/or emitted by the object , • with a power supply of the illumination device , which is configured to supply the illumination device with a current, which is a periodic function over time, wherein one period has at least two current pulses of different magnitude and the differently strong current pulses of the power supply lead to different intensities of the light pulses of the illumination device, whereby each region of the object is irradiated with a first light pulse and a second light pulse, which is weaker than the first light pulse, characterized in • that it is equipped with a transport device, which is configured to transport the object relative to the illumination device and past the sensor in a transport direction, • that it is equipped with at least one first sensor for detecting the light reflected by the object and at least one second sensor for detecting the light emitted by the object due to fluorescence and/or phosphorescence, wherein only the reflected and/or emitted light with respect to the second light pulse is evaluated, when a saturation of the respective sensor is reached during the first light pulse, and wherein only the reflected and/or emitted light with respect to the first light pulse is evaluated, when, due to the weak light pulse, the reflected and/or emitted light is to low regarding its intensity to be detected with the respective sensor, and, • that the first sensor and the second sensor are located at different positions. • with at least one illumination device , which is configured to illuminate the object with pulsed light, • with at least one sensor having a saturation limit, which is configured to sense the light reflected and/or emitted by the object , • with a power supply of the illumination device , which is configured to supply the illumination device with a current, which is a periodic function over time, wherein one period has at least two current pulses of different magnitude and the differently strong current pulses of the power supply lead to different intensities of the light pulses of the illumination device, whereby each region of the object is irradiated with a first light pulse and a second light pulse, which is weaker than the first light pulse, • that it is equipped with a transport device, which is configured to transport the object relative to the illumination device and past the sensor in a transport direction, • that it is equipped with at least one first sensor for detecting the light reflected by the object and at least one second sensor for detecting the light emitted by the object due to fluorescence and/or phosphorescence, wherein only the reflected and/or emitted light with respect to the second light pulse is evaluated, when a saturation of the respective sensor is reached during the first light pulse, and wherein only the reflected and/or emitted light with respect to the first light pulse is evaluated, when, due to the weak light pulse, the reflected and/or emitted light is to low regarding its intensity to be detected with the respective sensor, and, • that the first sensor and the second sensor are located at different positions. <EOS>