MATTER LogoIntroduction to Electron Microscopes

Transmission Electron Microscope (TEM)

Topic Description
Overview A brief overview of the TEM. Includes an interactive diagram of the main components
The Electron Gun This section describes the thermionic and field emission electron guns. It includes a simulation on the thermionic gun.
The Lens System This section describes the working of an electromagnetic lens. It covers the effect of the condenser, objective and projector lens in the TEM.
Vacuum Pumps A short section detailing the main types of vacuum pumps and their use.
Camera and Display A short section showing how the camera in an electron microscope works. This also covers depth of focus.
Eucentric Goniometer A short section on the most common type of specimen stage.
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