APPLICATION FEATURES OF THE ELECTROSTATIC SYSTEMS FOR MEASURING THE SECONDARY ELECTRON EMISSION YIELD

Abstract

The analysis of the experimental systems for research of secondary electron emission during the interaction of electron beams with matter is presented. The three most common and methodologically developed variants of experimental systems are considered. According to their design features and methodological capabilities, they allow for the study of the main parameters of secondary emission depending on the primary electron beam energy and the sample thickness. The evolution of the experimental measuring systems and their improvement from simple to three-electrode systems with pass-through collectors is considered too. The peculiarities of registration of the secondary electrons current emitted from the studied target surface depending on the structural features of the target device are considered too. Application results of the developed three-electrode measuring system for research thin foil emission characteristics have been discussed.