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RF pulse compression using helically corrugated waveguides

Macinnes, Philip and Ronald, Kevin and Burt, Graeme and Cross, Adrian and Young, Alan and Phelps, Alan and Konoplev, I.V. and He, Wenlong and Samsonov, S.V. and Bratman, V.L. and Denisov, G.G. (2006) RF pulse compression using helically corrugated waveguides. In: High Energy Density and High Power RF. AIP Conference Proceedings . American Institute of Physics, Melville, pp. 474-479. ISBN 0735402981

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Abstract

This paper describes the use of a helically corrugated waveguide as a dispersive medium for microwave pulse compression. The helically corrugated waveguide has a large variation of group velocity with frequency, but in a region where the group velocity remains large. Therefore this compressor does not suffer from reflections associated with cut-off scenarios at frequencies close to its operating regime and may be used in conjunction with high power wideband tunable microwave sources and amplifiers