Method and split cavity oscillator/modulator to generate pulsed particle beams and electromagnetic fields
Patent
·
OSTI ID:6291209
A compact device called the split cavity modulator whose self-generated oscillating electromagnetic field converts a steady particle beam into a modulated particle beam. The particle beam experiences both signs of the oscillating electric field during the transit through the split cavity modulator. The modulated particle beam can then be used to generate microwaves at that frequency and through the use of extractors, high efficiency extraction of microwave power is enabled. The modulated beam and the microwave frequency can be varied by the placement of resistive wires at nodes of oscillation within the cavity. The short beam travel length through the cavity permit higher currents because both space charge and pinching limitations are reduced. The need for an applied magnetic field to control the beam has been eliminated.
- DOE Contract Number:
- AC04-76DP00789
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5235248; A
- Application Number:
- PPN: US 7-540828
- OSTI ID:
- 6291209
- Country of Publication:
- United States
- Language:
- English
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