Search for: [Abstrakt = "In this paper, we demonstrate our electro\-optic sampling system constructed for characterization of high\-speed photodetectors based on low\-temperature\-grown GaAs \(LT\-GaAs\). Changes in the shape of electrical signals for different optical powers, voltage biases and positions of a probe beam have been shown. The obtained photoresponse of the investigated photodetector exhibits 0.9 ps \(full width at half maximum\)."]