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Journal Articles

Exploring the operational limits of poloidal and helical arrays of Mirnov coils in stellarators by means of a synthetic diagnostic

FeaturedOpen Access
P. Pons-Villalonga, Á. Cappa, J. Martínez-Fernández, O. S. Kozachok, E. Ascasíbar, TJ-II Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 96, 063502 (2025)
https://doi.org/10.1063/5.0244636
Published: June 2025
View articletitled, Exploring the operational limits of poloidal and helical arrays of Mirnov coils in stellarators by means of a synthetic diagnostic
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Journal Articles

Measurement of x-ray bremsstrahlung radiation from high energy electrons by stochastic acceleration in Heliotron J

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R. Yamato, S. Kobayashi, T. Fujita, K. Nagaoka, K. Nagasaki, S. Inagaki, T. Kawate, H. Ohgaki, T. Kii, H. Zen, S. Kado, T. Minami, H. Okada, S. Ohshima, S. Konoshima, T. Mizuuchi, Y. Mototake
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 96, 033512 (2025)
https://doi.org/10.1063/5.0231450
Published: March 2025
View articletitled, Measurement of x-ray bremsstrahlung radiation from high energy electrons by stochastic acceleration in Heliotron J
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Journal Articles

First measurements with the Faraday cup fast ion loss detector on Wendelstein 7-X

Open Access
Samuel A. Lazerson, David J. Kulla, Alexandra LeViness, Brandon F. Lee, Matthias Steffen, Beate Kursinski, Karsten Ewert, the W7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 96, 033503 (2025)
https://doi.org/10.1063/5.0223953
Published: March 2025
View articletitled, First measurements with the Faraday cup fast ion loss detector on Wendelstein 7-X
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Journal Articles

Optimization of fast-ion diagnostic sets in tokamaks and stellarators using diagnostic weight functions

Open Access
D. Moseev, I. Kuzmych, H. Järleblad, S. A. Lazerson, M. Rud, A. Valentini, M. Salewski
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 103506 (2024)
https://doi.org/10.1063/5.0218553
Published: October 2024
View articletitled, Optimization of fast-ion diagnostic sets in tokamaks and stellarators using diagnostic weight functions
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Journal Articles

Web apps for profile fitting and power balance analysis at Wendelstein 7-X

Open Access
M. Wappl, S. A. Bozhenkov, M. N. A. Beurskens, S. Bannmann, M. D. Kuczyński, H. M. Smith, K. J. Brunner, O. P. Ford, G. Fuchert, J. P. Knauer, A. Langenberg, N. A. Pablant, E. Pasch, P. Zs. Poloskei, R. C. Wolf, W7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 093529 (2024)
https://doi.org/10.1063/5.0225315
Published: September 2024
View articletitled, Web apps for profile fitting and power balance analysis at Wendelstein 7-X
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Journal Articles

Realization of a gas puff imaging system on the Wendelstein 7-X stellarator

Open Access
J. L. Terry, A. von Stechow, S. G. Baek, S. B. Ballinger, O. Grulke, C. von Sehren, R. Laube, C. Killer, F. Scharmer, K. J. Brunner, J. Knauer, S. Bois, W7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 093517 (2024)
https://doi.org/10.1063/5.0219336
Published: September 2024
View articletitled, Realization of a gas puff imaging system on the Wendelstein 7-X stellarator
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Journal Articles

Simulation of a scintillator-based fast ion loss detector for steady-state operation in Wendelstein 7-X (invited)

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A. LeViness, S. A. Lazerson, A. Jansen van Vuuren, J. Rueda-Rueda, J. Ayllon-Guerola, S. Bozhenkov, D. Corl, R. Ellis, J. Galdon-Quiroga, J. Garcia-Dominguez, M. Garcia-Munoz, J. Hidalgo-Salaverri, K. Ogawa, N. Pablant, J. Segado-Fernandez, W7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 073529 (2024)
https://doi.org/10.1063/5.0214788
Published: July 2024
View articletitled, Simulation of a scintillator-based fast ion loss detector for steady-state operation in Wendelstein 7-X (invited)
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Journal Articles

Ion temperature and rotation velocity measurements of carbon and boron ions using VUV spectroscopy on EAST

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Z. C. Lin, H. M. Zhang, F. D. Wang, Cheonho Bae, J. Fu, Y. C. Shen, S. Y. Dai, S. Y. Fu, H. J. Ji, D. A. Lu, Y. F. Jin, Yang Yang, B. Lyu
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 073525 (2024)
https://doi.org/10.1063/5.0214997
Published: July 2024
View articletitled, Ion temperature and rotation velocity measurements of carbon and boron ions using VUV spectroscopy on EAST
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Journal Articles

Charge exchange recombination spectroscopy on the alkali beam of Wendelstein 7-X

Open Access
B. G. Csillag, G. Anda, G. Cseh, D. Dunai, O. P. Ford, E. Flom, D. Gradic, F. Henke, M. Krychowiak, D. Nagy, M. Otte, D. I. Réfy, K. Tőkési, M. Vécsei, S. Zoletnik, the W7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 073524 (2024)
https://doi.org/10.1063/5.0219461
Published: July 2024
View articletitled, Charge exchange recombination spectroscopy on the alkali beam of Wendelstein 7-X
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Journal Articles

Development of ultra-short pulse reflectometry on the Experimental Advanced Superconducting Tokamak (EAST)

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Xiaoliang Li, Ran Chen, Guosheng Xu, Calvin Domier, Xianzi Liu, Yiwei Zhang, Tianfu Zhou, Yilun Zhu, Guanying Yu, Shasha Qiu, Hai Yu, Neville C. Luhmann
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 073519 (2024)
https://doi.org/10.1063/5.0215730
Published: July 2024
View articletitled, Development of ultra-short pulse reflectometry on the Experimental Advanced Superconducting Tokamak (EAST)
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Journal Articles

Multi-delay coherence imaging spectroscopy optimized for ion temperature measurements in the divertor plasma of the Wendelstein 7-X stellarator

Open Access
David M. Kriete, Valeria Perseo, Dorothea Gradic, David A. Ennis, Ralf König, David A. Maurer, W7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 073503 (2024)
https://doi.org/10.1063/5.0208586
Published: July 2024
View articletitled, Multi-delay coherence imaging spectroscopy optimized for ion temperature measurements in the divertor plasma of the Wendelstein 7-X stellarator
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Journal Articles

Pop-up Langmuir probe diagnostic in the water cooled divertor of Wendelstein 7-X

Open Access
A. Pandey, S. Bohm, A. Carls, C. Cordes, M. Endler, J. Fellinger, S. Freundt, K. Gallowski, K. Hammond, D. Hathiramani, G. Isberner, J. P. Kallmeyer, M. Krause, J. Kügler, M. Otte, T. S. Pedersen, D. Rondeshagen, J. Ruhnau, T. Schröder, T. Sieber, J. Wendorf, W7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 043503 (2024)
https://doi.org/10.1063/5.0188738
Published: April 2024
View articletitled, Pop-up Langmuir probe diagnostic in the water cooled divertor of Wendelstein 7-X
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Journal Articles

Synthetic Mirnov diagnostic for the validation of experimental observations

Open Access
C. Büschel, R. Kleiber, A. Könies, M. Drevlak, M. Borchardt, K. Rahbarnia, H. Thomsen, S. Vaz Mendes, C. Brandt, J. Knauer, K. J. Brunner, Wendelstein 7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 023506 (2024)
https://doi.org/10.1063/5.0190619
Published: February 2024
View articletitled, Synthetic Mirnov diagnostic for the validation of experimental observations
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Journal Articles

Layer thickness characterization of Faraday cup fast ion loss detectors

Open Access
David Kulla, Samuel A. Lazerson, Katja Hunger, Holger Gerdes, Ralf Bandorf
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 94, 053503 (2023)
https://doi.org/10.1063/5.0136713
Published: May 2023
View articletitled, Layer thickness characterization of Faraday cup fast ion loss detectors
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Journal Articles

Characterization of correlations of fast-ion H-alpha measurement volumes in Wendelstein 7-X by particle tracking

Open Access
Jacob Emil Mencke, Dmitry Moseev, Mirko Salewski, Mads Rud Larsen, Bo Simmendefeldt Schmidt, Henrik Järleblad, Samuel Lazerson, Peter Zsolt Poloskei, Oliver Ford, Wendelstein 7-X Team
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 123503 (2022)
https://doi.org/10.1063/5.0128594
Published: December 2022
View articletitled, Characterization of correlations of fast-ion H-alpha measurement volumes in Wendelstein 7-X by particle tracking
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Journal Articles

Measurement of Pa α line from pellet ablation cloud in Heliotron J

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A. Iwata, S. Kado, M. Murakumo, T. Shikama, G. Motojima, A. Mori, C. Feng, H. Okada, T. Minami, S. Ohshima, S. Kobayashi, A. Ishizawa, Y. Nakamura, S. Konoshima, T. Mizuuchi, K. Nagasaki
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 113537 (2022)
https://doi.org/10.1063/5.0101885
Published: November 2022
View articletitled, Measurement of Pa α line from pellet ablation cloud in Heliotron J
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Journal Articles

Conceptual design of a heavy ion beam probe diagnostic for the Wendelstein 7-X Stellarator

Open Access
H. Trimino Mora, T. P. Crowley, D. R. Demers, P. J. Fimognari, O. Grulke, R. Laube
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 113309 (2022)
https://doi.org/10.1063/5.0101788
Published: November 2022
View articletitled, Conceptual design of a heavy ion beam probe diagnostic for the Wendelstein 7-X Stellarator
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Includes: Supplementary data
Journal Articles

Gas puff imaging system for edge plasma fluctuation measurements in large helical device

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M. Kobayashi, S. Ohdachi, Y. Xu, W. Li, A. Shimizu, J. Cheng
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 093513 (2022)
https://doi.org/10.1063/5.0100301
Published: September 2022
View articletitled, Gas puff imaging system for edge plasma fluctuation measurements in large helical device
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Journal Articles

Conceptual design and performance predictions for 2D beam emission spectroscopy turbulence measurements at Wendelstein 7-X

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D. R. Smith, G. McKee, D. Den Hartog, B. Geiger, O. Grulke, X. Han, K. Jaehnig, C. Seyfert, T. Windisch
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 073506 (2022)
https://doi.org/10.1063/5.0101355
Published: July 2022
View articletitled, Conceptual design and performance predictions for 2D beam emission spectroscopy turbulence measurements at Wendelstein 7-X
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Journal Articles

Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device

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K. C. Hammond, F. M. Laggner, A. Diallo, S. Doskoczynski, C. Freeman, H. Funaba, D. A. Gates, R. Rozenblat, G. Tchilinguirian, Z. Xing, I. Yamada, R. Yasuhara, G. Zimmer, E. Kolemen
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 063523 (2021)
https://doi.org/10.1063/5.0041507
Published: June 2021
View articletitled, Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device
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