Design of folded waveguide antenna for alcator C-Mod

C. H. Fogelman; T. S. Bigelow; M. D. Carter; D. J. Hoffman; B. W. Riemer; J. J. Yugo; S. Golovato; P. Bonoli

Design of folded waveguide antenna for alcator C-Mod

C. H. Fogelman, T. S. Bigelow, M. D. Carter, D. J. Hoffman, B. W. Riemer, J. J. Yugo, S. Golovato, P. Bonoli

Fusion Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The Oak Ridge National Laboratory (ORNL) ion cyclotron range of frequencies (ICRF) antenna for Alcator C-Mod is a folded waveguide (FWG) antenna designed to determine whether the FWG can serve as a high power density, ceramic-free antenna for both present heating and fast wave current drive (FWCD) applications and for future tokamaks such as the International Thermonuclear Experimental Reactor (ITER) and the Tokamak Physics Experiment (TPX). The FWG is particularly attractive because it has a low internal electric field per unit power coupled to the plasma. This results in more power capability and has been demonstrated by 1-MW (unloaded) tests on the Radio Frequency Test Facility (RFTF). The experiment will characterize the impact of an FWG on impurity control in the presence of high power density and on central heating. The antenna is designed to withstand the tokamak environment, including high heat fluxes, high-temperature bakeout, and major disruptions, without vacuum leaks. The front face is curved to fit the plasma outline. Two front plates are fabricated for the antenna, one with full-width slits at every other location between vanes and the other with alternating right and left half-width slits at every location between vanes for pi-phasing.

Original language	English
Title of host publication	Proceedings - Symposium on Fusion Engineering
Publisher	Publ by IEEE
Pages	1085-1087
Number of pages	3
ISBN (Print)	0780314131
State	Published - 1993
Event	Proceedings of the 15th IEEE/NPSS Symposium on Fusion Engineering. Part 2 (of 2) - Hyannis, MA, USA Duration: Oct 12 1993 → Oct 12 1993

Publication series

Name	Proceedings - Symposium on Fusion Engineering
Volume	2

Conference

Conference	Proceedings of the 15th IEEE/NPSS Symposium on Fusion Engineering. Part 2 (of 2)
City	Hyannis, MA, USA
Period	10/12/93 → 10/12/93

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Cite this

@inproceedings{c40b0a5a859a423f9e67118e403827ca,

title = "Design of folded waveguide antenna for alcator C-Mod",

abstract = "The Oak Ridge National Laboratory (ORNL) ion cyclotron range of frequencies (ICRF) antenna for Alcator C-Mod is a folded waveguide (FWG) antenna designed to determine whether the FWG can serve as a high power density, ceramic-free antenna for both present heating and fast wave current drive (FWCD) applications and for future tokamaks such as the International Thermonuclear Experimental Reactor (ITER) and the Tokamak Physics Experiment (TPX). The FWG is particularly attractive because it has a low internal electric field per unit power coupled to the plasma. This results in more power capability and has been demonstrated by 1-MW (unloaded) tests on the Radio Frequency Test Facility (RFTF). The experiment will characterize the impact of an FWG on impurity control in the presence of high power density and on central heating. The antenna is designed to withstand the tokamak environment, including high heat fluxes, high-temperature bakeout, and major disruptions, without vacuum leaks. The front face is curved to fit the plasma outline. Two front plates are fabricated for the antenna, one with full-width slits at every other location between vanes and the other with alternating right and left half-width slits at every location between vanes for pi-phasing.",

author = "Fogelman, {C. H.} and Bigelow, {T. S.} and Carter, {M. D.} and Hoffman, {D. J.} and Riemer, {B. W.} and Yugo, {J. J.} and S. Golovato and P. Bonoli",

year = "1993",

language = "English",

isbn = "0780314131",

series = "Proceedings - Symposium on Fusion Engineering",

publisher = "Publ by IEEE",

pages = "1085--1087",

booktitle = "Proceedings - Symposium on Fusion Engineering",

note = "Proceedings of the 15th IEEE/NPSS Symposium on Fusion Engineering. Part 2 (of 2) ; Conference date: 12-10-1993 Through 12-10-1993",

}

Fogelman, CH, Bigelow, TS, Carter, MD, Hoffman, DJ, Riemer, BW, Yugo, JJ, Golovato, S & Bonoli, P 1993, Design of folded waveguide antenna for alcator C-Mod. in Proceedings - Symposium on Fusion Engineering. Proceedings - Symposium on Fusion Engineering, vol. 2, Publ by IEEE, pp. 1085-1087, Proceedings of the 15th IEEE/NPSS Symposium on Fusion Engineering. Part 2 (of 2), Hyannis, MA, USA, 10/12/93.

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T1 - Design of folded waveguide antenna for alcator C-Mod

AU - Fogelman, C. H.

AU - Bigelow, T. S.

AU - Carter, M. D.

AU - Hoffman, D. J.

AU - Riemer, B. W.

AU - Yugo, J. J.

AU - Golovato, S.

AU - Bonoli, P.

PY - 1993

Y1 - 1993

N2 - The Oak Ridge National Laboratory (ORNL) ion cyclotron range of frequencies (ICRF) antenna for Alcator C-Mod is a folded waveguide (FWG) antenna designed to determine whether the FWG can serve as a high power density, ceramic-free antenna for both present heating and fast wave current drive (FWCD) applications and for future tokamaks such as the International Thermonuclear Experimental Reactor (ITER) and the Tokamak Physics Experiment (TPX). The FWG is particularly attractive because it has a low internal electric field per unit power coupled to the plasma. This results in more power capability and has been demonstrated by 1-MW (unloaded) tests on the Radio Frequency Test Facility (RFTF). The experiment will characterize the impact of an FWG on impurity control in the presence of high power density and on central heating. The antenna is designed to withstand the tokamak environment, including high heat fluxes, high-temperature bakeout, and major disruptions, without vacuum leaks. The front face is curved to fit the plasma outline. Two front plates are fabricated for the antenna, one with full-width slits at every other location between vanes and the other with alternating right and left half-width slits at every location between vanes for pi-phasing.

AB - The Oak Ridge National Laboratory (ORNL) ion cyclotron range of frequencies (ICRF) antenna for Alcator C-Mod is a folded waveguide (FWG) antenna designed to determine whether the FWG can serve as a high power density, ceramic-free antenna for both present heating and fast wave current drive (FWCD) applications and for future tokamaks such as the International Thermonuclear Experimental Reactor (ITER) and the Tokamak Physics Experiment (TPX). The FWG is particularly attractive because it has a low internal electric field per unit power coupled to the plasma. This results in more power capability and has been demonstrated by 1-MW (unloaded) tests on the Radio Frequency Test Facility (RFTF). The experiment will characterize the impact of an FWG on impurity control in the presence of high power density and on central heating. The antenna is designed to withstand the tokamak environment, including high heat fluxes, high-temperature bakeout, and major disruptions, without vacuum leaks. The front face is curved to fit the plasma outline. Two front plates are fabricated for the antenna, one with full-width slits at every other location between vanes and the other with alternating right and left half-width slits at every location between vanes for pi-phasing.

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M3 - Conference contribution

AN - SCOPUS:0027747052

SN - 0780314131

T3 - Proceedings - Symposium on Fusion Engineering

SP - 1085

EP - 1087

BT - Proceedings - Symposium on Fusion Engineering

PB - Publ by IEEE

T2 - Proceedings of the 15th IEEE/NPSS Symposium on Fusion Engineering. Part 2 (of 2)

Y2 - 12 October 1993 through 12 October 1993

ER -

Design of folded waveguide antenna for alcator C-Mod

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