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7 August 2024 Upgrade and validation of the radio frequency magnetic probe array system on experimental advanced superconducting tokamak
Guanghou Yan, Bojiang Ding, Chenbin Wu, Miaohui Li
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Proceedings Volume 13229, Seventh International Conference on Advanced Electronic Materials, Computers, and Software Engineering (AEMCSE 2024); 132292K (2024) https://doi.org/10.1117/12.3038732
Event: Seventh International Conference on Advanced Electronic Materials, Computers, and Software Engineering (AEMCSE 2024), 2024, Nanchang, China
Abstract
RF magnetic probe array system installed on Experimental Advanced Superconducting Tokamak (EAST) is one of the important means to measure the parametric decay instability (PDI) of lower hybrid wave (LHW). Recently, the probe system was upgraded and tested to address the accuracy decline issue caused by insufficient high-temperature resistance of the original probes system. By replacing the probe material and solder, the high-temperature resistance of the probe array has been significantly improved. Experiments assessing the magnitude-squared coherence and measurement accuracy of the upgraded probe array are conducted and investigated. Results show that the improved probe has a coherence greater than 0.99, and it can distinguish the changes of parallel refractive index in an order of 0.2, providing more accurate data for the analysis of PDI experiments.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Guanghou Yan, Bojiang Ding, Chenbin Wu, and Miaohui Li "Upgrade and validation of the radio frequency magnetic probe array system on experimental advanced superconducting tokamak", Proc. SPIE 13229, Seventh International Conference on Advanced Electronic Materials, Computers, and Software Engineering (AEMCSE 2024), 132292K (7 August 2024); https://doi.org/10.1117/12.3038732
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KEYWORDS
Magnetism
Plasma
Physical coherence
Superconductors
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