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Updated: May 1, 2026

Additive Manufacturing-Enabled Low-Cost Particle Detector
Published on: March 24, 2023
Note: Electrostatic detection of stainless steel dust particles for fusion applications
P Landy1, C H Skinner2, H Schneider2
1Mechanical and Aerospace Engineering Department, Cornell University, Ithaca, New York 14853, USA.
Abstract:
Dust accumulation inside next-step fusion devices poses a significant safety concern and dust diagnostics will be needed to assure safe operations. An electrostatic dust detection device has been successfully demonstrated in the National Spherical Torus Experiment, Tore Supra, and the Large Helical Device, and the detector's response to carbon particles was previously characterized in laboratory experiments. This paper presents laboratory results showing that detection of stainless steel particles at levels as low as several μg/cm(2) is also possible.
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