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Ion acceleration in the evacuated drift-tube geometry

Journal Article · · J. Appl. Phys.; (United States)
DOI:https://doi.org/10.1063/1.323921· OSTI ID:7318123
The effect of varying the space-charge-limited current on the ion acceleration in the evacuated drift-tube geometry with no external magnetic field has been experimentally tested. The time-resolved current injected into the drift tube, the ion energy spectrum, and the region of ion acceleration have been measured. Different anode and cathode materials have been used. The results of these measurements indicate that ions are collectively accelerated inside the drift tube and that ion acceleration occurs in the drift tube only when the injected beam current exceeds the limiting current, set by the drift-tube radius.
Research Organization:
Air Force Weapons Laboratory, Kirtland Air Force Base, New Mexico 87117
OSTI ID:
7318123
Journal Information:
J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 48:5; ISSN JAPIA
Country of Publication:
United States
Language:
English