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Summary form only given. We are carrying out the development of a compact W-band dielectric traveling-wave tube (DTWT) amplifier. The DTWT amplifier is based on the interaction between a magnetized electron beam and the fields of a traveling wave inside a very compact dielectric waveguide. A high permittivity dielectric waveguide is used to slow down the wave and replaces the less efficient helix...
Summary form only given. We have developed a compact high-frequency electron buncher (CCEB) for applications in the next generation of microwave tubes and electron accelerators. The CCEB uses a conventional Pierce-type electron gun with a gated field-emitter-array cathode for the production of short, 3 kV, 100-150 mA electron bunches. The width of the electron bunches can be adjusted to be a small...
Summary form only given. A compact nanotube-driven microwave amplifier (NDXA) is currently under development at Microwave Technologies Inc. The NDXA is a compact two-cavity system that uses a rugged carbon-nanotube cold-cathode to produce microwave radiation with very high efficiency, making it ideal for airborne applications. We will present preliminary experimental results of our amplifier prototype...
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