Large-area cold-cathode grid-controlled electron gun for Antares
Conference
·
OSTI ID:6208752
The CO/sub 2/ laser amplifiers used in the Antares inertial confinement fusion project require large-area radial beams of high-energy electrons to ionize the laser medium before the main discharge pulse is applied. We have designed a grid-controlled, cold-cathode electron gun with a cylindrical anode having a window area of 9.3 m/sup 2/. A full diameter, 1/4 length prototype of the Antares gun has been built and tested. The design details of the Antares electron gun will be presented as well as test results from the prototype. Techniques used for the prevention and control of emission and breakdown from the grid will also be discussed.
- Research Organization:
- Los Alamos Scientific Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6208752
- Report Number(s):
- LA-UR-79-1573; CONF-790622-16
- Country of Publication:
- United States
- Language:
- English
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