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TEM Components and Operation
This lecture covers the components and operation of Transmission Electron Microscopy (TEM), including the vacuum system, electron gun, optics, and detectors. It explains the importance of vacuum for electron propagation, the emission of electrons from the cathode, the role of lenses in focusing and aberrations, and the use of magnetic lenses. The lecture also discusses the high voltage required, the different types of electron sources, and the detectors used in TEM, such as CCD and CMOS cameras.
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