High-Power Vircator Phase-Locking Demonstrations At Physics International

D. Price; H. Sze; D. Fittinghoff; B. Harteneck; J. Benford

doi:10.1117/12.951798

25 July 1989 High-Power Vircator Phase-Locking Demonstrations At Physics International

D. Price, H. Sze, D. Fittinghoff, B. Harteneck, J. Benford

Proceedings Volume 1061, Microwave and Particle Beam Sources and Directed Energy Concepts; (1989) https://doi.org/10.1117/12.951798
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Physics International (PI) has completed the first two phases of a three-phase program to explore the feasibility of constructing and operating a large array of high-power phase locked vircators. The approach has been to study multiple high-power sources in all the relative configurations that might be encountered in an array architecture. In Phase 1, dual source operation in the "master-slave" relationship was demonstrated at a power level of ~ 300 MW [Fig. 1(a)]. Power from the "master", relativistic magnetron selected the resonant mode, and locked the phase of the "slave" cavity vircator. Results from the experimental portion of this phase have been previously reported. Interpretations of the results from a theoretical model of the locking process is summarized in Section 3 of this report. In Phase II, two cavity vircators are operated as mutually coupled "peers" [Fig. 1(b)]. Phase locking in this arrangement was demonstrated at the gigawatt level. This is the principal subject of this report. Discussion is contained in Section 2. In the final Phase III, an array of multiple cavity vircators will be locked together in phase both in the "peer coupled" configuration and by a common high power driver (Fig. 10). A brief description of this proposed experiment concludes this report in Section 4.

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D. Price, H. Sze, D. Fittinghoff, B. Harteneck, and J. Benford "High-Power Vircator Phase-Locking Demonstrations At Physics International", Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); https://doi.org/10.1117/12.951798

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KEYWORDS

Microwave radiation

Mode locking

Diodes

Directed energy weapons

Particle beams

Waveguides

Bridges

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