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Data from experimental testing of a beamstick designed and built for a 670 GHz extended interaction klystron are compared against 2D and 3D beam optics simulations using the MICHELLE code. A methodology is presented to establish the “as-built” geometry from these comparisons. Excellent agreement with experimental beam current and transmission data is observed across a wide range of electrode voltages...
The development of terahertz power amplifiers presents significant new challenges as it brings into focus design, fabrication, and measurement issues that are not important factors at lower frequencies. In this paper, we describe our design approach to meet these challenges with particular emphasis on a 0.67 THz Extended-Interaction Klystron (EIK). This device is being designed to generate a peak...
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