Soft x-ray tomography measurements in the Wendelstein 7-X stellarator

Brandt C.; Schilling J.; Thomsen H.; Broszat T.; Laube R.; Schroeder T.; Andreeva T.; Beurskens M. N. A.; Bozhenkov S. A.; Brunner K. J.; Card A.; Cordes C.; Damm H.; Fuchert G.; Gallowski K.; Gutzmann R.; Knauer J.; Laqua H. P.; Marquardt M.; Nelde Ph; Neuner U.; Pasch E.; Rahbarnia K.; Recknagel J.; Schuelke M.; Scott E. R.; Sieber T.

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Soft x-ray tomography measurements in the Wendelstein 7-X stellarator

机译：Wendelstein 7-x螺栓术中的软X射线断层扫描测量

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The soft x-ray tomography diagnostic in the stellarator Wendelstein 7-X consists of twenty pinhole cameras, up-down symmetrically arranged in a poloidal, triangular cross-section of the plasma vessel. The x-ray emissivity is measured with 16 bit amplitude resolution at 2 MHz sampling rate along 360 lines-of-sight by silicon photodiode arrays. In the recent operation campaign data acquisition (DAQ) has been working reliable for the conducted plasma pulse lengths <1 min, however the DAQ system are ready for the foreseen 30 min plasma pulse lengths of upcoming campaigns. The bandwidth of the preamplifiers is 200 kHz and the sensitive energy range is approximately 1-12 keV. The measurements indicate the up-down symmetric emissivity distribution in the triangular poloidal cross-section. First tomographic reconstructions of different magnetic field configurations are consistent with the theoretically calculated flux surface topology.

机译：软X射线断层扫描术在螺栓恒星Wendelstein 7-x中由二十个针孔相机组成，上下对称地布置在等离子体容器的圆形三角形横截面中。通过硅光电二极管阵列以2MHz采样率以2MHz采样率以2MHz采样率以2MHz采样速率测量X射线发射率。在最近的操作活动中，数据采集（DAQ）对于进行的等离子体脉冲长度<1分钟，DAQ系统已经工作了，但DAQ系统已准备好用于预先预见的较新活动的脉冲长度。前置放大器的带宽为200 kHz，敏感能量范围约为1-12 kev。测量结果指示三角形单横截面中的上下对称发射率分布。首先，不同磁场配置的断层重建与理论上计算的磁通表面拓扑结构一致。

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来源
《Plasma physics and controlled fusion》 |2020年第3期|共12页
作者
Brandt C.; Schilling J.; Thomsen H.; Broszat T.; Laube R.; Schroeder T.; Andreeva T.; Beurskens M. N. A.; Bozhenkov S. A.; Brunner K. J.; Card A.; Cordes C.; Damm H.; Fuchert G.; Gallowski K.; Gutzmann R.; Knauer J.; Laqua H. P.; Marquardt M.; Nelde Ph; Neuner U.; Pasch E.; Rahbarnia K.; Recknagel J.; Schuelke M.; Scott E. R.; Sieber T.;
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作者单位

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

Max Planck Inst Plasma Phys Wendelsteinstr 1 D-17491 Greifswald Germany;

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正文语种 eng
中图分类等离子体物理学;
关键词
x-ray; tomography; XMCTS; stellarator; Wendelstein; W7-X;

机译：X射线;断层扫描;XMCTS;螺栓磨机;WENDELSTEIN;W7-X;

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1. Numerical estimate of multi-species ion sound speed of Langmuir probe interpretations in the edge plasmas of Wendelstein 7-X [J] . J COSFELD, P DREWS, B BLACKWELL, 等离子体科学和技术（英文版） . 2020,第008期
2. Spectroscopic studies of fuel recycling and impurity behaviors in the divertor region of Wendelstein 7-X [J] . Yanling WEI, Lukas RUDISCHHAUSER, Michael ENDLER, 等离子体科学和技术（英文版） . 2019,第010期
3. Probe manipulators for Wendelstein 7-X and their interaction with the magnetic topology [J] . M RACK, Y LIANG, M HUBENY, 等离子体科学和技术（英文版） . 2018,第005期
4. Soft x-ray tomography measurements in the Wendelstein 7-X stellarator [J] . Brandt C., Schilling J., Thomsen H., Plasma physics and controlled fusion . 2020,第3期

机译：Wendelstein 7-x螺栓术中的软X射线断层扫描测量
5. Technology development of the soft X-ray tomography system in Wendelstein 7-X stellarator [J] . M. Schuelke, A. Cardella, D. Hathiramani, Fusion Engineering and Design . 2013,第9a10期

机译：Wendelstein 7-X恒星仪中软X射线断层扫描系统的技术开发
6. First Results from the Soft X-ray Pulse Height Analysis System on Wendelstein 7-X Stellarator [J] . Monika Kubkowska, Agata Czarnecka, Tomasz Fornal, Fusion Engineering and Design . 2018,第PTaA期

机译：Wendelstein 7-X恒星仪上软X射线脉冲高度分析系统的初步结果
7. Comparison of fast tomographic methods for application on the Soft X-Ray Tomography System on Wendelstein 7-X stellarator [C] . P. J. Carvalho, H. Thomsen, S. Gori, French-Polish Seminar on Thermal Plasma in Space and Laboratory . 2008

机译：WENDELSTEIN 7-X Stertarator软X射线断层扫描系统应用快速断层扫描方法的比较
8. Phalangeal bone mineral density measurements using x-ray absorptiometry and computed tomography [D] . Gulam, Misbah. 2000

机译：使用X射线吸收仪和计算机断层扫描技术测量骨头的骨密度
9. Cryo-soft X-ray tomography: using soft X-rays to explore the ultrastructure of whole cells [O] . Maria Harkiolaki, Michele C. Darrow, Matthew C. Spink, -1

机译：低温软X射线断层扫描：使用软X射线探索全细胞的超微结构
10. Installation of the soft X-ray multi-camera tomography system (XMCTS) in the Wendelstein 7-X stellarator [O] . Brandt, C., Broszat, T., Thomsen, H., 2017

机译：在Wendelstein 7-X仿星器中安装软X射线多相机断层扫描系统（XmCTs）
11. Measurements of the Radiation Energy Distribution in the Soft X-Ray Region in the Wendelstein VII-A Stellarator [R] . Weller, A. 1985

机译：Wendelstein VII-a仿星器中软X射线区辐射能量分布的测量

Soft x-ray tomography measurements in the Wendelstein 7-X stellarator

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