Results 21 to 30 of about 1,437,991 (290)
Nuclear Fusion, 2023 We report on the first experimental observation of a spontaneously formed transport barrier in the tokamak with a circular configuration in helium plasmas.
P. Macha +7 more
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The digital mirror Langmuir probe: Field programmable gate array implementation of real-time Langmuir probe biasing [PDF]
Review of Scientific Instruments, 2019 High bandwidth, high spatial resolution measurements of electron temperature, density, and plasma potential are valuable for resolving turbulence in the boundary plasma of tokamaks. While conventional Langmuir probes can provide such measurements, either their temporal or spatial resolution is limited: the former by the sweep rate necessary for ...
C. Vincent +9 more
openaire +3 more sources
Langmuir probe electronics upgrade on the tokamak à configuration variable.
Review of Scientific Instruments, 2019 A detailed description of the Langmuir probe electronics upgrade for TCV (Tokamak à Configuration Variable) is presented. The number of amplifiers and corresponding electronics has been increased from 48 to 120 in order to simultaneously connect all of ...
H. de Oliveira +8 more
semanticscholar +1 more source
Plasma probe characteristics in low density hydrogen pulsed plasmas [PDF]
, 2014 Probe theories are only applicable in the regime where the probe's perturbation of the plasma can be neglected. However, it is not always possible to know, a priori, that a particular probe theory can be successfully applied, especially in low density ...
Astakhov, D. I. +8 more
core +16 more sources
Comparative measurement of plasma potential with tube probe and Langmuir probe
AIP Advances, 2018 Plasma potential measurements using the conventional Langmuir probe may cause an error due to the space charge effect. To solve the problem, a tube probe is proposed in this study which can minimize the space charge effect by collecting electrons with an
Jian-quan Li +4 more
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AIP Advances, 2021 In the present study, the machine learning algorithm is utilized for the first time to improve the probe diagnosis. Machine learning methods are utilized to improve the Langmuir probe diagnostic accuracy and the diagnosable plasma parameter range without
Zhe Ding +4 more
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Physics of Plasmas, 2019 The temporal evolution of plasma density and electron temperature in high power impulse magnetron sputtering discharges has been measured using the Langmuir probe and laser Thomson scattering techniques. Measurements were performed (nonsimultaneously) at
P. Ryan, J. Bradley, M. Bowden
semanticscholar +1 more source
Laboratory measurements of the performances of the Sweeping Langmuir Probe instrument aboard the PICASSO CubeSat [PDF]
Geoscientific Instrumentation, Methods and Data Systems, 2023 The Sweeping Langmuir Probe (SLP) is one of the instruments on board the triple-unit CubeSat PICASSO, an ESA in-orbit demonstrator launched in September 2020, which is flying at about 540 km altitude.
S. Ranvier, J.-P. Lebreton
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Measurement of Electron Density and Temperature by Means of Contamination-Free Probe
Antarctic Record, 1975 In plasma diagnosis by means of a Langmuir probe, contamination of the electrode is a quite serious problem. In order to get reliable data of space plasma, cleaning of the electrode is an essential requirement.
Koichiro OYAMA +2 more
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Development of Langmuir and Electron Probe for KSR-III [PDF]
Journal of Astronomy and Space Sciences, 2001 KARI(Korea Aerospace Research Institute) has measured the ionospheric electron temperature and density over the Korean Peninsular with the Langmuir and Electron Probe(LEP) onboard the Korean Sounding Rocket-II(KSR-II) in 1998.
S. H. Hwang +7 more
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