Experimental study of microwave pulse compression using a five-fold helically corrugated waveguide

Zhang, Liang and Mishakin, Sergey V. and He, Wenlong and Samsonov, Sergey V. and McStravick, Michael and Denisov, Gregory G. and Cross, Adrian W. and Bratman, Vladimir L. and Whyte, Colin G. and Robertson, Craig W. and Young, Alan R. and Ronald, Kevin and Phelps, Alan D. R. (2015) Experimental study of microwave pulse compression using a five-fold helically corrugated waveguide. IEEE Transactions on Microwave Theory and Techniques, 63 (3). pp. 1090-1096. 7027876. ISSN 0018-9480

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      Abstract

      This paper presents the experimental study of microwave pulse compression using a five-fold helically corrugated waveguide. In the experiment, the maximum power compression ratio of 25.2 was achieved by compressing an input microwave pulse of 80 ns duration and 9.65 GHz to 9.05 GHz frequency swept range into a 1.6 ns Gaussian-envelope pulse. For an average input power of 5.8 kW generated by a conventional traveling wave tube, a peak pulse output power of 144.8 kW was measured corresponding to an energy efficiency of 66.3%.