A near infra-red video system as a protective diagnostic for electron cyclotron resonance heating operation in the Wendelstein 7-X stellarator

被引：4
|
作者：
Preynas, M. [1 ]
Laqua, H. P. [1 ]
Marsen, S. [1 ]
Reintrog, A. [1 ]
Corre, Y. [2 ]
Moncada, V. [2 ]
Travere, J. -M. [2 ]
机构：
[1] Max Planck Inst Plasmaphys IPP, D-17491 Greifswald, Germany
[2] CEA Cadarache, IRFM, F-13108 St Paul Les Durance, France
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2015年 / 86卷 / 11期
关键词：
D O I：
10.1063/1.4935686
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The Wendelstein 7-X stellarator is a large nuclear fusion device based at Max-Planck-Institut fur Plasmaphysik in Greifswald in Germany. The main plasma heating system for steady state operation in W7-X is electron cyclotron resonance heating (ECRH). During operation, part of plama facing components will be directly heated by the non-absorbed power of 1 MW rf beams of ECRH. In order to avoid damages of such components made of graphite tiles during the first operational phase, a near infra-red video system has been developed as a protective diagnostic for safe and secure ECRH operation. Both the mechanical design housing the camera and the optical system are very flexible and respect the requirements of steady state operation. The full system including data acquisition and control system has been successfully tested in the vacuum vessel, including on-line visualization and data storage of the four cameras equipping the ECRH equatorial launchers of W7-X.
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页数：5
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