Development of a Fast Monitor of Position and Intensity of a Synchrotron Radiation Beam for Experiments on Studying Fast-flowing Processes

The proposed concept of the design and electronics of a fast monitor of the position and intensity of a synchrotron radiation beam is presented. Sensors based on radiation-resistant materials, leucosapphire and silicon carbide, are investigated as possible detectors for the fast beam monitor. Tests of detectors based on leucosapphire and silicon carbide have shown that both materials are suitable as photodetectors for recording fast signals from short flashes of a white beam of synchrotron radiation from each electron bunch in the storage ring. Current pulses generated by detectors based on these materials have a duration of up to 20 ns. In this case, the signal generated by a sensor based on silicon carbide exceeds the corresponding signal from a sensor based on leucosapphire by 3.9 times, provided that the thickness of the sensors is the same.