Research on the Application of Secondary Electron Emission Phenomenon in Electron Multipliers

This chapter delves into the application of secondary electron emission in electron multipliers, highlighting their principle, classification, and production processes. It discusses the impact of secondary electron emission properties on the performance of electron multipliers and explores modulation techniques to enhance or suppress emission. The chapter covers the applications of electron multipliers in various fields, including particle physics experiments, mass spectrometry, space exploration, and national defense. It also addresses the development trends, emphasizing the importance of new secondary electron-emitting thin film materials and surface modification techniques to improve emission properties. The discussion provides a comprehensive overview of the current state and future directions of electron multiplier technology.