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The upgraded TOMAS device: A toroidal plasma facility for wall conditioning, plasma production, and plasma–surface interaction studies
Review of Scientific Instruments ( IF 1.3 ) Pub Date : 2021-02-16 , DOI: 10.1063/5.0033229
A. Goriaev 1, 2 , T. Wauters 1 , S. Möller 3 , R. Brakel 4 , S. Brezinsek 3 , J. Buermans 1, 2 , K. Crombé 1, 2 , A. Dinklage 4 , R. Habrichs 3 , D. Höschen 3 , M. Krause 4 , Yu. Kovtun 5 , D. López-Rodríguez 2 , F. Louche 1 , S. Moon 6 , D. Nicolai 3 , J. Thomas 3 , R. Ragona 1 , M. Rubel 6 , T. Rüttgers 3 , P. Petersson 6 , P. Brunsell 6 , Ch. Linsmeier 3 , M. Van Schoor 1
Affiliation  

The Toroidal Magnetized System device has been significantly upgraded to enable development of various wall conditioning techniques, including methods based on ion and electron cyclotron (IC/EC) range of frequency plasmas, and to complement plasma–wall interaction research in tokamaks and stellarators. The toroidal magnetic field generated by 16 coils can reach its maximum of 125 mT on the toroidal axis. The EC system is operated at 2.45 GHz with up to 6 kW forward power. The IC system can couple up to 6 kW in the frequency range of 10 MHz–50 MHz. The direct current glow discharge system is based on a graphite anode with a maximum voltage of 1.5 kV and a current of 6 A. A load-lock system with a vertical manipulator allows exposure of material samples. A number of diagnostics have been installed: single- and triple-pin Langmuir probes for radial plasma profiles, a time-of-flight neutral particle analyzer capable of detecting neutrals in the energy range of 10 eV–1000 eV, and a quadrupole mass spectrometer and video systems for plasma imaging. The majority of systems and diagnostics are controlled by the Siemens SIMATIC S7 system, which also provides safety interlocks.

中文翻译:

升级的TOMAS设备:用于壁调节,等离子产生和等离子-表面相互作用研究的环形等离子设备

环形磁化系统设备已进行了显着升级,以支持各种壁调节技术的开发,包括基于离子和电子回旋加速器(IC / EC)频率等离子体范围的方法,并补充了托卡马克和恒星中等离子体-壁相互作用的研究。由16个线圈产生的环形磁场在环形轴上可以达到最大125 mT。EC系统的工作频率为2.45 GHz,正向功率最高为6 kW。该IC系统可以在10 MHz–50 MHz的频率范围内耦合高达6 kW的功率。直流辉光放电系统基于最大电压为1.5 kV且电流为6 A的石墨阳极。带有垂直操纵器的负载锁定系统允许暴露材料样品。已安装许多诊断程序:单针和三针Langmuir探针,用于放射状等离子体轮廓;飞行时间中性粒子分析仪,能够检测10 eV–1000 eV能量范围内的中性粒子;以及四极质谱仪和视频系统,用于等离子体成像。大多数系统和诊断由西门子SIMATIC S7系统控制,该系统还提供安全互锁。
更新日期:2021-02-26
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