Strongly Coupled Relativistic Magnetrons For Phase-Locked Arrays

J. S. Levine; J. Benford; H. Sze; W. Woo; R. R. Smith; B. Harteneck

doi:10.1117/12.951792

25 July 1989 Strongly Coupled Relativistic Magnetrons For Phase-Locked Arrays

J. S. Levine, J. Benford, H. Sze, W. Woo, R. R. Smith, B. Harteneck

Proceedings Volume 1061, Microwave and Particle Beam Sources and Directed Energy Concepts; (1989) https://doi.org/10.1117/12.951792
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Phase-locking of two relativistic magnetrons has been achieved at power levels of ≈ 3 GW at 2.8 GHz by connecting a short waveguide coupler of length LC ≈ n λ/2 between vanes. Phase-locking is demonstrated by both phase-sensitive diagnostics and power density enhancement due to source coherence in the radiation field. Phase-locking occurs in ≈ 5 ns and is reproducible. Extension to 10-100 GW appears feasible with magnetron arrays. Issues in operating arrays of coupled oscillators are discussed; an experimental approach to resolving these in a 4-magnetron module (expandable to a 7-magnetron module) is described.

Citation Download Citation

J. S. Levine, J. Benford, H. Sze, W. Woo, R. R. Smith, and B. Harteneck "Strongly Coupled Relativistic Magnetrons For Phase-Locked Arrays", Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); https://doi.org/10.1117/12.951792

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