Antenna design for fast ion collective Thomson scattering diagnostic for the international thermonuclear experimental reactor

Frank Leipold; Vedran Furtula; Mirko Salewski; Henrik Bindslev; Søren Bang Korsholm; Fernando Meo; Poul Michelsen; Dmitry Moseev; Stefan Kragh Nielsen; Morten Stejner Pedersen

doi:10.1063/1.3212567

Antenna design for fast ion collective Thomson scattering diagnostic for the international thermonuclear experimental reactor

Frank Leipold, Vedran Furtula, Mirko Salewski, Henrik Bindslev, Søren Bang Korsholm, Fernando Meo, Poul Michelsen, Dmitry Moseev, Stefan Kragh Nielsen, Morten Stejner Pedersen

Research output: Contribution to journal › Journal article › Research › peer-review

501 Downloads (Orbit)

Abstract

Fast ion physics will play an important role for the international thermonuclear experimental reactor (ITER), where confined alpha particles will affect and be affected by plasma dynamics and thereby have impacts on the overall confinement. A fast ion collective Thomson scattering (CTS) diagnostic using gyrotrons operated at 60 GHz will meet the requirements for spatially and temporally resolved measurements of the velocity distributions of confined fast alphas in ITER by evaluating the scattered radiation (CTS signal). While a receiver antenna on the low field side of the tokamak, resolving near perpendicular (to the magnetic field) velocity components, has been enabled, an additional antenna on the high field side (HFS) would enable measurements of near parallel (to the magnetic field) velocity components. A compact design solution for the proposed mirror system on the HFS is presented. The HFS CTS antenna is located behind the blankets and views the plasma through the gap between two blanket modules. The viewing gap has been modified to dimensions 30 × 500 mm2 to optimize the CTS signal. A 1:1 mock-up of the HFS mirror system was built. Measurements of the beam characteristics for millimeter-waves at 60 GHz used in the mock-up agree well with the modeling.

Original language	English
Journal	Review of Scientific Instruments
Volume	80
Issue number	9
Pages (from-to)	093501
ISSN	0034-6748
DOIs	https://doi.org/10.1063/1.3212567
Publication status	Published - 2009

Bibliographical note

Copyright (2009) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

Keywords

Fusion energy

Access to Document

10.1063/1.3212567

LeipoldFinal published version, 519 KB

http://link.aip.org/link/RSINAK/v80/i9/p093501/s1

OpenUrl availability

Full text

Cite this

@article{16ef2e4f687b473887a57af3d8816c5e,

title = "Antenna design for fast ion collective Thomson scattering diagnostic for the international thermonuclear experimental reactor",

abstract = "Fast ion physics will play an important role for the international thermonuclear experimental reactor (ITER), where confined alpha particles will affect and be affected by plasma dynamics and thereby have impacts on the overall confinement. A fast ion collective Thomson scattering (CTS) diagnostic using gyrotrons operated at 60 GHz will meet the requirements for spatially and temporally resolved measurements of the velocity distributions of confined fast alphas in ITER by evaluating the scattered radiation (CTS signal). While a receiver antenna on the low field side of the tokamak, resolving near perpendicular (to the magnetic field) velocity components, has been enabled, an additional antenna on the high field side (HFS) would enable measurements of near parallel (to the magnetic field) velocity components. A compact design solution for the proposed mirror system on the HFS is presented. The HFS CTS antenna is located behind the blankets and views the plasma through the gap between two blanket modules. The viewing gap has been modified to dimensions 30 × 500 mm2 to optimize the CTS signal. A 1:1 mock-up of the HFS mirror system was built. Measurements of the beam characteristics for millimeter-waves at 60 GHz used in the mock-up agree well with the modeling.",

keywords = "Fusion energy, Fusionsenergiforskning, Fusionsenergi",

author = "Frank Leipold and Vedran Furtula and Mirko Salewski and Henrik Bindslev and Korsholm, {S{\o}ren Bang} and Fernando Meo and Poul Michelsen and Dmitry Moseev and Nielsen, {Stefan Kragh} and {Stejner Pedersen}, Morten",

note = "Copyright (2009) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.",

year = "2009",

doi = "10.1063/1.3212567",

language = "English",

volume = "80",

pages = "093501",

journal = "Review of Scientific Instruments",

issn = "0034-6748",

publisher = "American Institute of Physics",

number = "9",

}

TY - JOUR

T1 - Antenna design for fast ion collective Thomson scattering diagnostic for the international thermonuclear experimental reactor

AU - Leipold, Frank

AU - Furtula, Vedran

AU - Salewski, Mirko

AU - Bindslev, Henrik

AU - Korsholm, Søren Bang

AU - Meo, Fernando

AU - Michelsen, Poul

AU - Moseev, Dmitry

AU - Nielsen, Stefan Kragh

AU - Stejner Pedersen, Morten

N1 - Copyright (2009) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

PY - 2009

Y1 - 2009

N2 - Fast ion physics will play an important role for the international thermonuclear experimental reactor (ITER), where confined alpha particles will affect and be affected by plasma dynamics and thereby have impacts on the overall confinement. A fast ion collective Thomson scattering (CTS) diagnostic using gyrotrons operated at 60 GHz will meet the requirements for spatially and temporally resolved measurements of the velocity distributions of confined fast alphas in ITER by evaluating the scattered radiation (CTS signal). While a receiver antenna on the low field side of the tokamak, resolving near perpendicular (to the magnetic field) velocity components, has been enabled, an additional antenna on the high field side (HFS) would enable measurements of near parallel (to the magnetic field) velocity components. A compact design solution for the proposed mirror system on the HFS is presented. The HFS CTS antenna is located behind the blankets and views the plasma through the gap between two blanket modules. The viewing gap has been modified to dimensions 30 × 500 mm2 to optimize the CTS signal. A 1:1 mock-up of the HFS mirror system was built. Measurements of the beam characteristics for millimeter-waves at 60 GHz used in the mock-up agree well with the modeling.

AB - Fast ion physics will play an important role for the international thermonuclear experimental reactor (ITER), where confined alpha particles will affect and be affected by plasma dynamics and thereby have impacts on the overall confinement. A fast ion collective Thomson scattering (CTS) diagnostic using gyrotrons operated at 60 GHz will meet the requirements for spatially and temporally resolved measurements of the velocity distributions of confined fast alphas in ITER by evaluating the scattered radiation (CTS signal). While a receiver antenna on the low field side of the tokamak, resolving near perpendicular (to the magnetic field) velocity components, has been enabled, an additional antenna on the high field side (HFS) would enable measurements of near parallel (to the magnetic field) velocity components. A compact design solution for the proposed mirror system on the HFS is presented. The HFS CTS antenna is located behind the blankets and views the plasma through the gap between two blanket modules. The viewing gap has been modified to dimensions 30 × 500 mm2 to optimize the CTS signal. A 1:1 mock-up of the HFS mirror system was built. Measurements of the beam characteristics for millimeter-waves at 60 GHz used in the mock-up agree well with the modeling.

KW - Fusion energy

KW - Fusionsenergiforskning

KW - Fusionsenergi

U2 - 10.1063/1.3212567

DO - 10.1063/1.3212567

M3 - Journal article

C2 - 19791936

SN - 0034-6748

VL - 80

SP - 093501

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

IS - 9

ER -

Antenna design for fast ion collective Thomson scattering diagnostic for the international thermonuclear experimental reactor

Abstract

Bibliographical note

Keywords

Access to Document

OpenUrl availability

Fingerprint

Cite this