| Vacuum Electronics Technology |
| Vacuum
electronics technology is both old and new. Its legacy of useful
devices is outstanding, and it is still evolving with inventions
that take advantage of new materials, new electromagnetic structures,
and new approaches to achieve record levels of performance and reliability.
Although some view it as a stodgy remnant of an old technology,
soon to be supplanted, it has been and, as new requirements emerge,
will continue to be the enabling technology for entire classes of
high-power, high-frequency amplifiers with the most demanding specifications
for use in both military and commercial systems. This presentation
will explore the history and diversity of this remarkable technology,
with emphasis on advances in vacuum electronic amplifiers, including
the Microwave Power Module (MPM), Gyroamplifiers and spatially distributed
beam amplifiers, such as Multiple Beam and Sheet beam amplifiers
that have been enabled by the ongoing development of physics-based
modeling and simulation tools. |
 Baruch Levush |
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