Perturbing microwave beams by plasma density fluctuations

Perturbing microwave beams by plasma density fluctuations

The propagation of microwaves across a turbulent plasma density layer is investigated with full-wave simulations. To properly represent a fusion edge-plasma, drift-wave turbulence is considered based on the Hasegawa-Wakatani model. Scattering and broadening of a microwave beam whose amplitude distri...

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Main Authors: Köhn Alf, Holzhauer Eberhard, Leddy Jarrod, Thomas Matthew B., Vann Roddy G. L.
Format: Article
Language:English
Published: EDP Sciences 2017-01-01
Series:EPJ Web of Conferences
Online Access:https://doi.org/10.1051/epjconf/201714701001
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spelling doaj-0ac0d01605bc4d288dc0cbcc1bf3c3182021-08-02T06:59:15ZengEDP SciencesEPJ Web of Conferences2100-014X2017-01-011470100110.1051/epjconf/201714701001epjconf_ec2017_01001Perturbing microwave beams by plasma density fluctuationsKöhn Alf0Holzhauer Eberhard1Leddy Jarrod2Thomas Matthew B.3Vann Roddy G. L.4Max Planck Institute for Plasma PhysicsInstitute of Interfacial Process Engineering and Plasma Technology, University of StuttgartYork Plasma Institute, Department of Physics, University of YorkYork Plasma Institute, Department of Physics, University of YorkYork Plasma Institute, Department of Physics, University of YorkThe propagation of microwaves across a turbulent plasma density layer is investigated with full-wave simulations. To properly represent a fusion edge-plasma, drift-wave turbulence is considered based on the Hasegawa-Wakatani model. Scattering and broadening of a microwave beam whose amplitude distribution is of Gaussian shape is studied in detail as a function of certain turbulence properties. Parameters leading to the strongest deterioration of the microwave beam are identified and implications for existing experiments are given.https://doi.org/10.1051/epjconf/201714701001
collection DOAJ
language English
format Article
sources DOAJ
author Köhn Alf
Holzhauer Eberhard
Leddy Jarrod
Thomas Matthew B.
Vann Roddy G. L.
spellingShingle Köhn Alf
Holzhauer Eberhard
Leddy Jarrod
Thomas Matthew B.
Vann Roddy G. L.
Perturbing microwave beams by plasma density fluctuations
EPJ Web of Conferences
author_facet Köhn Alf
Holzhauer Eberhard
Leddy Jarrod
Thomas Matthew B.
Vann Roddy G. L.
author_sort Köhn Alf
title Perturbing microwave beams by plasma density fluctuations
title_short Perturbing microwave beams by plasma density fluctuations
title_full Perturbing microwave beams by plasma density fluctuations
title_fullStr Perturbing microwave beams by plasma density fluctuations
title_full_unstemmed Perturbing microwave beams by plasma density fluctuations
title_sort perturbing microwave beams by plasma density fluctuations
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2017-01-01
description The propagation of microwaves across a turbulent plasma density layer is investigated with full-wave simulations. To properly represent a fusion edge-plasma, drift-wave turbulence is considered based on the Hasegawa-Wakatani model. Scattering and broadening of a microwave beam whose amplitude distribution is of Gaussian shape is studied in detail as a function of certain turbulence properties. Parameters leading to the strongest deterioration of the microwave beam are identified and implications for existing experiments are given.
url https://doi.org/10.1051/epjconf/201714701001
work_keys_str_mv AT kohnalf perturbingmicrowavebeamsbyplasmadensityfluctuations
AT holzhauereberhard perturbingmicrowavebeamsbyplasmadensityfluctuations
AT leddyjarrod perturbingmicrowavebeamsbyplasmadensityfluctuations
AT thomasmatthewb perturbingmicrowavebeamsbyplasmadensityfluctuations
AT vannroddygl perturbingmicrowavebeamsbyplasmadensityfluctuations
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