Friday, May 22, 2015

IVEC 2015 Impressions

Electric field magnitude of the TE0,3 mode in a gyrotron at 42 GHz.
CST recently got back from the 16th International Vacuum Electronics Conference (IVEC), which took place from April 27th to 29th in Beijing. At the conference, we presented a joint paper with Queen Mary University, London about gyrotron simulation. There was a lot of interest from attendees, and we got a lot of interesting questions on topics ranging from metal modeling to start-up behavior and mode competition.

This is just one example of the current popularity of gyrotrons as a research topic. Gyrotrons are promising with potential to fill the terahertz gap that currently exists for RF sources. We have recently added new features to CST STUDIO SUITE® that are designed with the special features of gyrotrons – for example, the very high mode number of operation – and we are certain that simulation will contribute the understanding and optimization of these promising devices.

The picture above shows the electric field which has been generated by the beam exciting the wave in the cavity of a 42GHz gyrotron. The TE0,3 mode is then finally propagating out of the taper section, as can be nicely seen by the field patterns there.

If you would like to see more, please have a look at the paper in the IEEE conference proceedings:
M. Balk, C. Chua, X. Li, Y. Alfadhl, X. Chen: 3D Gyrotron Simulation with CST STUDIO SUITE, Proceedings of the International Vacuum Electronics Conference (IVEC), Beijing, 2014
Monika Balk
Market Development Manager for Charged Particles

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