Advances in Super-Reltron source development

Robert B. Miller; Kerry W. Habiger; William R. Beggs Jr.; Jerome R. Clifford

doi:10.1117/12.218534

8 September 1995 Advances in Super-Reltron source development

Robert B. Miller, Kerry W. Habiger, William R. Beggs Jr., Jerome R. Clifford

Proceedings Volume 2557, Intense Microwave Pulses III; (1995) https://doi.org/10.1117/12.218534
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Super-Reltron high power microwave tubes use post-acceleration of a well-modulated beam and multiple cavity output sections to generate high power microwave pulses (100MW-1GW) with excellent efficiency (40-50%). In the past year we have continued our development of these tubes with emphasis being given to three specific topics: 1) long pulse operation. Recent experiments with our 1.3-GHz tube have demonstrated pulse durations in excess of one microsecond, producing energy per pulse in excess of 150 J. 2) Extended frequency coverage. We have developed a Super-Reltron-based HPM effects testing system which provides repetitive, high-power pulses over the frequency range of 0.7-11 GHz. 3) Extended lifetime designs. We have now developed Super-Reltron designs using thermionic cathodes, ceramic insulators, and gridless modulating cavities. These designs should give extended lifetime operation at reasonably high average power levels (> 100 kW). In this paper we report our experimental results and theoretical design considerations related to each of these three topics.

Citation Download Citation

Robert B. Miller, Kerry W. Habiger, William R. Beggs Jr., and Jerome R. Clifford "Advances in Super-Reltron source development", Proc. SPIE 2557, Intense Microwave Pulses III, (8 September 1995); https://doi.org/10.1117/12.218534

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