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Phase locking of two high-power virtual cathode oscillators (vircators) has been achieved. The vircators interact directly by common connection through a short waveguide. Reproducible phase locking occurs for ∼45 ns. The time required to establish phase coherence is ≂10 ns. The peak power is ∼1.6 GW.
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Sze et al. (1990) studied this question.
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