EPJ Web Conf.
Volume 203, 201920th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC20)
|Number of page(s)||6|
|Published online||25 March 2019|
Development of reflection gratings for advanced ECRH scenarios
Institut für Grenzflächenverfahrenstechnik und Plasmatechnologie, Universität Stuttgart, Pfaffenwaldring 31, D-70569 Stuttgart, Germany
2 Max-Planck-Institut für Plasmaphysik, Boltzmannstr.2, D-85748 Garching, Germany
* Corresponding author: email@example.com
Published online: 25 March 2019
An existing framework for the design of reflection gratings was reworked. It takes the astigmatic complex beam parameters and the orientations of the beam axes of the incident and reflected beams as input and synthesizes a grating, which transforms the incident beam into the reflected beam. This is done by decomposing the 3D problem into a series of 2D reflections of plane waves. The 2D grating profiles are optimized in parallel on multiple computers. Finally, the 3D grating is derived using a simplified interpolation scheme.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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