Quasioptical modeling of wave beams with and without mode conversion: III. Numerical simulations of mode-converting beams

Yanagihara, K. ; Dodin, I. Y. ; Kubo, S.
Issue date: 2019
Rights:
Creative Commons Attribution 4.0 International (CC BY)
Cite as:
Yanagihara, K., Dodin, I. Y., & Kubo, S. Quasioptical modeling of wave beams with and without mode conversion: III. Numerical simulations of mode-converting beams [Data set]. Princeton Plasma Physics Laboratory, Princeton University. https://doi.org/10.11578/1562107
@electronic{yanagihara_k_unknown,
  author      = {Yanagihara, K. and
                Dodin, I. Y. and
                Kubo, S.},
  title       = {{Quasioptical modeling of wave beams with
                 and without mode conversion: III. Numer
                ical simulations of mode-converting beam
                s}},
  publisher   = {{Princeton Plasma Physics Laboratory, Pri
                nceton University}},
  url         = {https://doi.org/10.11578/1562107}
}
Description:

This work continues a series of papers where we propose an algorithm for quasioptical modeling of electromagnetic beams with and without mode conversion. The general theory was reported in the first paper of this series, where a parabolic partial differential equation was derived for the field envelope that may contain one or multiple modes with close group velocities. In the second paper, we presented a corresponding code PARADE (PAraxial RAy DEscription) and its test applications to single-mode beams. Here, we report quasioptical simulations of mode-converting beams for the first time. We also demonstrate that PARADE can model splitting of two-mode beams. The numerical results produced by PARADE show good agreement with those of one-dimensional full-wave simulations and also with conventional ray tracing (to the extent that one-dimensional and ray-tracing simulations are applicable).

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