Status of the design of the ITER ECE diagnostic

被引：9

作者：

Taylor, G. ^{[1
]}

Austin, M. E. ^{[2
]}

Beno, J. H. ^{[3
]}

Danani, S. ^{[4
]}

Ellis, R. F. ^{[5
]}

Feder, R. ^{[1
]}

Hesler, J. L. ^{[6
]}

Hubbard, A. E. ^{[7
]}

Johnson, D. W. ^{[1
]}

Kumar, R. ^{[4
]}

Kumar, S. ^{[4
]}

Kumar, V. ^{[4
]}

Ouroua, A. ^{[3
]}

Pandya, H. K. B. ^{[4
]}

Phillips, P. E. ^{[2
]}

Roman, C. ^{[1
]}

Rowan, W. L. ^{[2
]}

Udintsev, V. ^{[8
]}

Vayakis, G. ^{[8
]}

Walsh, M. ^{[8
]}

机构：

[1] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA

[2] Univ Texas Austin, Inst Fus Studies, Austin, TX 78712 USA

[3] Univ Texas Austin, Ctr Electromech, Austin, TX 78758 USA

[4] ITER India, Inst Plasma Res, Bhat 382428, Gandhinagar, India

[5] Univ Maryland, College Pk, MD 20742 USA

[6] Virginia Diodes Inc, Charlottesville, VA 22902 USA

[7] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA

[8] ITER Org, F-13115 St Paul Les Durance, France

来源：

EC18 - 18TH JOINT WORKSHOP ON ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING | 2015年 / 87卷

关键词：

D O I：

10.1051/epjconf/20158703002

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The baseline design for the ITER electron cyclotron emission (ECE) diagnostic has entered the detailed preliminary design phase. Two plasma views are planned, a radial view and an oblique view that is sensitive to distortions in the electron momentum distribution near the average thermal momentum. Both views provide high spatial resolution electron temperature profiles when the momentum distribution remains Maxwellian. The ECE diagnostic system consists of the front-end optics, including two 1000 K calibration sources, in equatorial port plug EP9, the 70-1000 GHz transmission system from the front-end to the diagnostics hall, and the ECE instrumentation in the diagnostics hall. The baseline ECE instrumentation will include two Michelson interferometers that can simultaneously measure ordinary and extraordinary mode ECE from 70 to 1000 GHz, and two heterodyne radiometer systems, covering 122-230 GHz and 244-355 GHz. Significant design challenges include 1) developing highly-reliable 1000 K calibration sources and the associated shutters/mirrors, 2) providing compliant couplings between the front-end optics and the polarization splitter box that accommodate displacements of the vacuum vessel during plasma operations and bake out, 3) protecting components from damage due to stray ECH radiation and other intense millimeter wave emission and 4) providing the low-loss broadband transmission system.

引用

页数：7

共 50 条

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