Nrl ubitron amplifier performance

Dean E. Pershing

doi:10.1117/12.2298144

14 December 1992 Nrl ubitron amplifier performance

Dean E. Pershing

Proceedings Volume 1929, 17th International Conference on Infrared and Millimeter Waves; 19290R (1992) https://doi.org/10.1117/12.2298144
Event: 17th International Conference on Infrared and Millimeter Waves, 1992, Pasadena, CA, United States

Abstract

Research is continuing on the NRL Ku-band ubitron amplifier after several major component modifications. Specifically, the input coupler has been modified for broader bandwidth and lower transmission loss, and the wiggler has been redesigned to generate a much more uniform field in the interaction region and lengthened. Steps have also been taken to remove discontinuities that excited oscillations at high wiggler fields. With a 250 kV, 100 A, 4 mm radius beam and these modifications, we expect to see saturated gain of 25 - 30 dB, efficiency greater than 15%, and bandwidth exceeding 20% in the 12.4 - 18 GHz band. Measurements will be compared with the 3-D nonlinear code ARACHNE[1].

Citation Download Citation

Dean E. Pershing "Nrl ubitron amplifier performance", Proc. SPIE 1929, 17th International Conference on Infrared and Millimeter Waves, 19290R (14 December 1992); https://doi.org/10.1117/12.2298144

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