Abstract

This paper gives an overview about three key measurement capabilities at KIT/IHM for fusion gyrotrons. The discussed topics are: RF window test facility, low power launcher test setup and the frequency measurement setup placed at the high power test facility. Further, approaches for upgrading the setups to frequencies above 200 GHz are discussed.

Highlights

  • Measurements are needed to evaluate the operation of single gyrotron components itself and further, the assembled gyrotron

  • This paper summarizes three main measurement facilities for fusion gyrotrons at the KIT/IHM in the year 2018 and possible approaches for upgrading these facilities towards operation above 200 GHz are discussed

  • The quasi-optical system consisting of launcher and mirrors can be verified after the fabrication in the low power measurement test facility

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Summary

Introduction

Measurements are needed to evaluate the operation of single gyrotron components itself and further, the assembled gyrotron. This paper summarizes three main measurement facilities for fusion gyrotrons at the KIT/IHM in the year 2018 and possible approaches for upgrading these facilities towards operation above 200 GHz are discussed. The RF window measurement test facility is described which gives the possibility to characterize the RF output window in terms of transmission and reflection features. The quasi-optical system consisting of launcher and mirrors can be verified after the fabrication in the low power measurement test facility. The frequency measurement setup is a key instrument for the validation of the behavior of the gyrotron in the high power measurement facility

Window Measurement Setup
Launcher Measurement Setup
Frequency Measurement Setup
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