Gated integrator PXI-DAQ system for Thomson scattering diagnostics
Sign Up to like & getrecommendations! Published in 2017 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2017.04.064
Abstract: Abstract Gated Integrator (GI) PXI based data acquisition (DAQ) system has been designed and developed for the ease of acquiring fast Thomson Scattered signals (∼50 ns pulse width). The DAQ system consists of in-house designed and… read more here.
Keywords: thomson scattering; system; daq system; daq ... See more keywords
Development of Thomson scattering system on VEST
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.03.130
Abstract: Abstract A Thomson scattering (TS) system has been developed on Versatile Experiment Spherical Torus (VEST) to measure the electron temperature and the density. In VEST, it is quite challenging to measure TS signals because the… read more here.
Keywords: system; development thomson; thomson scattering; scattering system ... See more keywords
Analyses and structural integrity estimation of the ITER divertor Thomson scattering system
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.04.058
Abstract: Abstract This article reports the results of the assessment performed on the ITER Divertor Thomson Scattering (DTS). It is designed to provide an instrument capable of measuring the electron temperature and the related density profiles… read more here.
Keywords: divertor thomson; system; thomson scattering; thomson ... See more keywords
Design of locating system on EAST horizontal Thomson scattering diagnostic
Sign Up to like & getrecommendations! Published in 2020 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2020.111675
Abstract: Abstract Locating optical fibers in collection optics and confirmations of target scattering positions are critical to achieve accurate measurement for Thomson scattering diagnostic. Because the port size is limited on EAST, such procedures are difficult… read more here.
Keywords: thomson scattering; system; scattering diagnostic; horizontal thomson ... See more keywords
Experimentally-based ExB drifts in the DIII-D divertor and SOL calculated from integration of Ohm's law using Thomson scattering measurements of Te and ne
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear materials and energy"
DOI: 10.1016/j.nme.2017.03.021
Abstract: Abstract The 2D spatial distributions of cross field drift velocities are calculated from 2D Thomson scattering measurements of T e and n e in the divertor and SOL of DIII-D. In contrast with the method… read more here.
Keywords: thomson scattering; ohm law; plasma; scattering measurements ... See more keywords
Observation of collisionless-to-collisional transition in colliding plasma jets with optical Thomson scattering
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5047218
Abstract: This paper reports the results of an optical (526.5 nm) Thomson scattering investigation of low-Z (C5H8O2) plasma jets created on the OMEGA laser. We were able to measure the plasma parameters of individual jets and investigate… read more here.
Keywords: thomson scattering; plasma jets; collisional transition; interaction ... See more keywords
Comparison of Langmuir probe and laser Thomson scattering for electron property measurements in magnetron discharges
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5109621
Abstract: Electron property measurements made by Langmuir probes and laser Thomson scattering have been compared in weakly magnetized plasma conditions using a planar unbalanced magnetron with the aim of assessing the accuracy of the probe diagnostic.… read more here.
Keywords: thomson scattering; probe; electron property; laser thomson ... See more keywords
Toward streaked collective Thomson scattering measurements on an extreme ultraviolet plasma light source
Sign Up to like & getrecommendations! Published in 2023 at "Review of Scientific Instruments"
DOI: 10.1063/5.0131598
Abstract: We show through forward modeling calculations that streaked collective Thomson scattering measurements are feasible on laser-produced tin plasmas generated under conditions relevant for extreme ultraviolet lithography. Using a 532 nm probe laser beam, the feasibility of… read more here.
Keywords: scattering measurements; extreme ultraviolet; collective thomson; streaked collective ... See more keywords
Nonlinear Thomson scattering in an arbitrary polarized laser field with a background magnetic field
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Plasmas"
DOI: 10.1063/5.0147858
Abstract: The nonlinear Thomson scattering of an electron motion in a combining field constituted by an elliptically polarized laser and a background magnetic field is investigated. The dependence of electron trajectories, fundamental frequency, maximum radiation power… read more here.
Keywords: polarized laser; background magnetic; nonlinear thomson; laser ... See more keywords
Characterization of plasma in RF jet interacting with water: Thomson scattering versus spectral line broadening
Sign Up to like & getrecommendations! Published in 2022 at "Plasma Sources Science and Technology"
DOI: 10.1088/1361-6595/ac56ed
Abstract: In this work we carry out a detailed characterization of an Ar radiofrequency plasma jet interacting with liquid. The focus of the paper is measurement of the electron density by examining the Stark broadening of… read more here.
Keywords: thomson scattering; characterization; jet interacting; plasma ... See more keywords
Recent development of collective Thomson scattering for magnetically confined fusion plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Physica Scripta"
DOI: 10.1088/1402-4896/92/2/024001
Abstract: Here we review recent experimental developments within the field of collective Thomson scattering with a focus on the progress made on the devices TEXTOR and ASDEX Upgrade. We discuss recently discovered possibilities and limitations of… read more here.
Keywords: thomson scattering; development collective; collective thomson; recent development ... See more keywords