4,422
edits
TJ-II:Reflectometry: Difference between revisions
→Doppler Reflectometer: Added toroidal angle
m (Reverted edits by 95.128.245.186 (Talk) to last revision by Admin) |
(→Doppler Reflectometer: Added toroidal angle) |
||
| Line 25: | Line 25: | ||
[[File:DRscheme.jpg|200px|thumb|right|Schematic drawing of the Doppler Reflectometer System of [[TJ-II]]. The rays are calculated using the 3D ray/beam-tracing code [[TRUBA]].]] | [[File:DRscheme.jpg|200px|thumb|right|Schematic drawing of the Doppler Reflectometer System of [[TJ-II]]. The rays are calculated using the 3D ray/beam-tracing code [[TRUBA]].]] | ||
Since February 2009, the frequency hopping system is in operation in oblique incidence (''Doppler'' reflectometry, [[TJ-II:Sectors|sector]] C6) | Since February 2009, the frequency hopping system is in operation in oblique incidence (''Doppler'' reflectometry, [[TJ-II:Sectors|sector]] C6, φ = 337°) | ||
<ref>[http://link.aip.org/link/?RSINAK/80/073502/1 T. Happel, T. Estrada, E. Blanco, V. Tribaldos, A. Cappa, and A. Bustos, Rev. Sci. Instrum. '''80''' (2009) 073502]</ref> | <ref>[http://link.aip.org/link/?RSINAK/80/073502/1 T. Happel, T. Estrada, E. Blanco, V. Tribaldos, A. Cappa, and A. Bustos, Rev. Sci. Instrum. '''80''' (2009) 073502]</ref> | ||
, measuring plasma density fluctuation velocities and their wave number spectra. The system is able to measure in a radial range of about ρ = 0.6 - 0.9 (ρ = r/a is the [[effective plasma radius]]) and the perpendicular wavenumber can be selected between ''k''<sub>⊥</sub> = 3 and 15 cm<sup>-1</sup>. | , measuring plasma density fluctuation velocities and their wave number spectra. The system is able to measure in a radial range of about ρ = 0.6 - 0.9 (ρ = r/a is the [[effective plasma radius]]) and the perpendicular wavenumber can be selected between ''k''<sub>⊥</sub> = 3 and 15 cm<sup>-1</sup>. | ||