Abstract
Summary form only given, as follows. The complete presentation was not made available for publication as part of the conference proceedings. Research progress in high-power millimeter-wave laboratory sources will be presented. One of the research challenges is to achieve high output powers from oscillators and amplifiers, as the wavelength decreases in the millimeter-wave range. An approach that is being explored for achieving higher millimeter-wave powers employs over-moded structures with specific mode selection and control. The present status of theory and experiments will be reported. Another research challenge is to create high-power millimeter-wave amplifiers that provide gain over a very wide frequency band. By tailoring the dispersion properties of propagating electromagnetic waves in guiding structures using "dispersion engineering" techniques, high-power millimeter-wave amplifiers with exceptional gain-bandwidths can be realized. The latest achievements and the prospects for further high-power amplifier developments and their applications will be presented.
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