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

Yanagihara, K.; Dodin, I. Y.; Kubo, S.

doi:10.1063/1.5095174

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

Journal Article · Tue Jul 23 04:00:00 EDT 2019 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.5095174· OSTI ID:1557565

Yanagihara, K. ^[1]; ^[2]; ^[3]

Nagoya Univ., Aichi (Japan)
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Nagoya Univ., Aichi (Japan); National Inst. for Fusion Science, Gifu (Japan)

This work continues a series of papers where we propose an algorithm for quasi-optical 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 quasi-optical simulations of mode-converting beams for the first time. Here, 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).

View Accepted Manuscript (DOE)

Research Organization:: Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)

Sponsoring Organization:: USDOE

Contributing Organization:: This work was supported by the U.S. DOE through Contract No. DE-AC02-09CH11466. This work was also supported by JSPS KAKENHI Grant No. JP17H03514.

Grant/Contract Number:: AC02-09CH11466

OSTI ID:: 1557565

Alternate ID(s):: OSTI ID: 1544459

Journal Information:: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 7 Vol. 26; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited By (2)

Quasioptical modeling of wave beams with and without mode conversion. I. Basic theory Dodin, I. Y.; Ruiz, D. E.; Yanagihara, K. Physics of Plasmas, Vol. 26, Issue 7 https://doi.org/10.1063/1.5095076	journal	July 2019
Quasioptical modeling of wave beams with and without mode conversion. II. Numerical simulations of single-mode beams Yanagihara, K.; Dodin, I. Y.; Kubo, S. Physics of Plasmas, Vol. 26, Issue 7 https://doi.org/10.1063/1.5095173	journal	July 2019