Progress toward steady-state, high-efficiency vircators
Conference
·
OSTI ID:6750270
The progress report toward high efficiency, long pulse operation of virtual cathode oscillators is described. The conditions for the resonance at which high efficiency is obtained are that the beam frequency equals the reflex frequency to within two percent. This implies that cathode closure in the anode-cathode gap is not acceptable. We have therefore developed and tested a cathode that will operate at 300 amps/cm{sup 2} without significant closure for times in excess of one microsecond. 9 refs., 7 figs.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- Sponsoring Organization:
- DOE/DP
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6750270
- Report Number(s):
- UCRL-JC-103714; CONF-9006179--3; ON: DE90013289
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360104 -- Metals & Alloys-- Physical Properties
42 ENGINEERING
426000 -- Engineering-- Components
Electron Devices & Circuits-- (1990-)
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450000* -- Military Technology
Weaponry
& National Defense
BEAM DYNAMICS
BEAMS
CATHODES
CURRENT DENSITY
EFFICIENCY
ELECTRODES
ELECTROMAGNETIC FIELDS
ELECTROMAGNETIC RADIATION
ELECTRON BEAMS
ELECTRONIC EQUIPMENT
ENERGY EFFICIENCY
EQUIPMENT
FREQUENCY ANALYSIS
FUNCTION GENERATORS
LEPTON BEAMS
MATERIALS TESTING
MEASURING METHODS
MICROWAVE RADIATION
MISSILES
PARTICLE BEAMS
PLASMA
POWER DENSITY
PULSE GENERATORS
RADIATION EFFECTS
RADIATIONS
SPACE CHARGE
TEMPERATURE EFFECTS
TESTING
VARIATIONS
WEAPONS
360104 -- Metals & Alloys-- Physical Properties
42 ENGINEERING
426000 -- Engineering-- Components
Electron Devices & Circuits-- (1990-)
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450000* -- Military Technology
Weaponry
& National Defense
BEAM DYNAMICS
BEAMS
CATHODES
CURRENT DENSITY
EFFICIENCY
ELECTRODES
ELECTROMAGNETIC FIELDS
ELECTROMAGNETIC RADIATION
ELECTRON BEAMS
ELECTRONIC EQUIPMENT
ENERGY EFFICIENCY
EQUIPMENT
FREQUENCY ANALYSIS
FUNCTION GENERATORS
LEPTON BEAMS
MATERIALS TESTING
MEASURING METHODS
MICROWAVE RADIATION
MISSILES
PARTICLE BEAMS
PLASMA
POWER DENSITY
PULSE GENERATORS
RADIATION EFFECTS
RADIATIONS
SPACE CHARGE
TEMPERATURE EFFECTS
TESTING
VARIATIONS
WEAPONS