Analysis of a Complete Gyrotron Oscillator Using the Scattering Matrix Description |
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| Authors: | D. Wagner M. Thumm G. Gantenbein W. Kasparek T. Idehara |
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| Affiliation: | (1) Institut für Plasmaforshung, Universität Stuttgart, Pfaffenwaldring 31, D-70569 Stuttgart, Germany;(2) Forschungszentrum Karlsruhe Institut für Technische Physik, Universität Karlsruhe Institut für Höchstfrequenztechnik und Elektronik, P.O. Box 3640, D-76021 Karlsruhe, Germany;(3) Department of Applied Physics Faculty of Engineering, Fukui University, Fukui, 910, Japan |
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| Abstract: | Complete harmonic gyrotron oscillators in axial arrangement including cavity, uptapers, collector waveguide and output window have been numerically simulated using a scattering matrix resonator code. The output mode purity and the influence of window reflections on the performance of a step-tunable, very high frequency gyrotron, Gyrotron FU IV A, at Fukui University was analyzed. |
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| Keywords: | harmonic millimeter and submillimeter wave gyrotrons mode purity rounded cavity contour oversized output waveguide system window reflections |
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