Abstract
A high current plasma electron emitter based on a miniature plasma source has been developed. The emitting plasma is created by a pulsed high current gas discharge. The electron emission current is 1 kA at 300 V with a pulse duration of 10 ms. The prototype injector described in this paper will be used for a 20 kA electrostatic current injection experiment in the Madison symmetric torus reversed-field pinch. The source will be replicated in order to attain this total current requirement. The source has a simple design and has proven to be very reliable in operation. A high emission current, small size (3.7 cm in diameter) and low impurity generation make the source suitable for a variety of fusion and technological applications.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 78-83 |
| Number of pages | 6 |
| Journal | Plasma Sources Science and Technology |
| Volume | 5 |
| Issue number | 1 |
| DOIs | |
| State | Published - 1996 |
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics
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