Abstract
As described in Chap. 1, there are two basic types of IECs: ion injected or electron injected. The difference can be easily envisioned by examining Fig. 2.1. There the grid is held at a positive voltage relative to ground. Thus electrons are accelerated (injected) inward, making this an electron-injected type IEC. If the voltage on the grid is reversed, ions created in a plasma discharge between the grid and the walls are extracted and accelerated inward, creating an ion-injected type IEC.
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Miley, G.H., Murali, S.K. (2014). Theory of Well Potential Traps in the IEC. In: Inertial Electrostatic Confinement (IEC) Fusion. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9338-9_2
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