Results 161 to 170 of about 1,756,819 (195)

Fast ion collective Thomson scattering, JET results and TEXTOR plans

Fusion Engineering and Design, 2001
Diagnosis of MeV range fast ions by collective Thomson scattering (CTS) of millimetre waves was successfully demonstrated at JET. Building on the experiences from JET, a new millimetre wave based CTS fast ion diagnostic is being built for the TEXTOR ...
Jan Egedal, Dirk Van Eester, P Woskov
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Collective Thomson Scattering at W7-AS

Plasma Physics and Controlled Fusion, 1997
Collective Thomson scattering (CTS) of electromagnetic radiation from thermal plasma fluctuations in principle allows the velocity distribution of plasma ions and its composition in the plasma to be measured. The use of powerful microwave radiation from gyrotrons opens new perspectives for the application of CTS, which is considered to be a promising ...
Suvorov, E., Holzhauer, E., Kasparek, W., Erckmann, V., Geist, T., Kick, M., Laqua, H., Rust, M.   +7 more
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Novel small-angle collective Thomson scattering system

Applied Optics, 1985
A Thomson scattering opticals system is described with the following characteristics: (1) it allows scattering angles down to 1 mrad before collection optics interfere with beam dumping; (2) it gives excellent k resolution for angles of > or approximately 1.5 mrad; (3) it collects light from a scattering volume which can be variably positioned without ...
C E, Clayton, C, Darrow, C, Joshi
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Detection of Ion Plasma Waves by Collective Thomson Scattering

Physical Review Letters, 1995
The first unambiguous experimental detection of ion plasma waves is reported. These short-wavelength ({ital k}{lambda}{sub De}{gt}1), purely electrostatic ion waves were first predicted by Tonks and Langmuir in 1929. The waves are observed in a long-scalelength ({ital L}{gt}10{sup 4}/{ital k}), multiply ionized ({ital Z}=22), laser-produced plasma. The
, Bauer, , Drake, , Estabrook, , Watt, , Wilke, , Baker   +5 more
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Collection optics design for KSTAR Thomson scattering system

Review of Scientific Instruments, 2010
The collection optics designs are described for the Thomson scattering diagnostic of the Korea superconducting tokamak advanced research (KSTAR) device. The optical systems collecting the light emission induced through the interaction between the plasma electrons and a laser beam are key components for the Thomson scattering system.
S, Oh, J H, Lee
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Mirror system for collecting Thomson-scattered light in a tangential direction

Applied Optics, 1994
We describe an optical system for collecting Thomson-scattering light in the tangential direction of a tokamak. The key part of the optics is a set of mirrors arranged as a Venetian blind. This system makes it possible to look around the corner of the tokamak vessel. Design considerations and test performance are presented.
Barth, C.J., Grobben, B.J. J., Verhaag, G.C. H. M.   +2 more
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Collective Thomson Scattering(CTS) System on ITER

1998
In a previous work the analysis1 on a possible CTS system on ITER has led to the following preliminary conclusions: two options can be taken into account seriously, i.e.
F. Orsitto, G. Giruzzi, S. Nowak
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Status of Collective Thomson Scattering Experiment at Frascati Tokamak Upgrade (FTU)

2007 International Kharkiv Symposium Physics and Engrg. of Millimeter and Sub-Millimeter Waves (MSMW), 2007
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Lubyako LV, Granucci G, Grosso G, Orsitto FP, Shalashov A G, Suvorov E V, Tartari U, ECRH Team, FTU Team   +8 more
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Tritium to deuterium ratio measurement by collective Thomson scattering

Review of Scientific Instruments, 1997
A technique is proposed for the determination of the tritium to deuterium density ratio in ITER using collective Thomson scattering at a wavelength of 10 μm. The measurement is made by viewing the component of scattered laser power nearly perpendicular to the magnetic field giving rise to ion cyclotron modulation of the scattered spectrum.
R. K. Richards, D. P. Hutchinson, C. H. Ma   +2 more
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Collection optics of JT-60SA edge Thomson scattering diagnostic

Review of Scientific Instruments
The mission of the JT-60SA project is to complement ITER’s capabilities by addressing the fundamental physics and engineering challenges necessary to develop a practical and reliable fusion power plant. Diagnostics play a pivotal role in achieving this mission, especially the Thomson Scattering (TS) diagnostic systems developed by a collaborative Japan–
F. A. D’Isa, A. Fassina, L. Giudicotti, S. Soare, H. Tojo, Y. Ohtani, M. Akimitsu, G. Crescenzio, M. Girardini, A. Slemer, A. Grossi, E. Mazzarolo, R. Pasqualotto   +12 more
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