Ray-tracing code TRAVIS for ECR heating, EC current drive and ECE diagnostic

NB Marushchenko, Y Turkin, H Maaßberg - Computer Physics …, 2014 - Elsevier
A description of the recently developed ray-tracing code TRAVIS is given together with the
theoretical background, results of benchmarking and examples of application. The code is …

[HTML][HTML] Quasioptical modeling of wave beams with and without mode conversion. I. Basic theory

IY Dodin, DE Ruiz, K Yanagihara, Y Zhou… - Physics of Plasmas, 2019 - pubs.aip.org
This work opens a series of papers where we develop a general quasi-optical theory for
mode-converting electromagnetic beams in plasma and implement it in a numerical …

Broadening of electron cyclotron power deposition and driven current profiles caused by dissipative diffractive propagation

K Yanagihara, S Kubo - Nuclear Fusion, 2024 - iopscience.iop.org
Improvements in electron cyclotron resonance heating (ECRH) and current drive (ECCD)
predictions are important issues for the design and control of high-performance fusion …

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

K Yanagihara, IY Dodin, S Kubo - Physics of Plasmas, 2019 - pubs.aip.org
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 …

ECRH power deposition from a quasi-optical point of view

AA Balakin, MA Balakina, E Westerhof - Nuclear Fusion, 2008 - iopscience.iop.org
A quasi-optical description of the propagation and damping of the slowly varying wave
amplitude across an arbitrary electron cyclotron wave beam is presented. This model goes …

Quasioptical modeling of the electron cyclotron emission diagnostic

K Yanagihara, S Kubo - Plasma Physics and Controlled Fusion, 2024 - iopscience.iop.org
We report the first applications of the quasioptical (QO) code PARADE (PAraxial RAy
DEscription) for modeling the electron cyclotron emission (ECE) diagnostic. Geometrical …

[HTML][HTML] Quasioptical modeling of wave beams with and without mode conversion. II. Numerical simulations of single-mode beams

K Yanagihara, IY Dodin, S Kubo - Physics of Plasmas, 2019 - pubs.aip.org
This work continues a series of papers where we propose an algorithm for the quasi-optical
modeling of electromagnetic beams with and without mode conversion. The general theory …

Quasi-optical description of wave beams in smoothly inhomogeneous anisotropic media

AA Balakin, MA Balakina, GV Permitin… - Journal of Physics D …, 2007 - iopscience.iop.org
The quasi-optical description of wave beams is extended to smoothly inhomogeneous
anisotropic and/or gyrotropic media. A method of deriving quasi-optical equations for a slow …

Quasi-optical theory of microwave plasma heating in open magnetic trap

AG Shalashov, AA Balakin, ED Gospodchikov… - Physics of …, 2016 - pubs.aip.org
Microwave heating of a high-temperature plasma confined in a large-scale open magnetic
trap, including all important wave effects like diffraction, absorption, dispersion, and wave …

Quasioptical propagation and absorption of electron cyclotron waves: simulations and experiment

K Yanagihara, S Kubo, IY Dodin… - Nuclear …, 2021 - iopscience.iop.org
Electron-cyclotron resonance heating is an essential tool for manipulating fusion plasmas
and has been diligently studied for decades through numerical simulations and …