25
edits
TJ-II:Reflectometry: Difference between revisions
Jump to navigation
Jump to search
m
no edit summary
No edit summary |
mNo edit summary |
||
| Line 17: | Line 17: | ||
[[File:DRscheme.jpg|200px|thumb|right|Schematic drawing of the Doppler Reflectometer System of TJ-II.]] | [[File:DRscheme.jpg|200px|thumb|right|Schematic drawing of the Doppler Reflectometer System of TJ-II.]] | ||
Since February 2009, the frequency hopping system is in operation in oblique incidence (''Doppler'' reflectometry, [[TJ-II:Sectors|sector]] C6) <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 radius) and the perpendicular wavenumber can be selected between 3 and 15 cm<sup>-1</sup>. | Since February 2009, the frequency hopping system is in operation in oblique incidence (''Doppler'' reflectometry, [[TJ-II:Sectors|sector]] C6) <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 3 and 15 cm<sup>-1</sup>. | ||
==References== | ==References== | ||
<references /> | <references /> | ||