TJ-II:Heavy Ion Beam Probe: Difference between revisions

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The advanced Heavy Ion Beam Probe can simultaneously measure the plasma electric potential ''&phi;'', the electron density ''n<sub>e</sub>'', and a poloidal magnetic field component ''B<sub>p</sub>'' at a point inside the plasma.
The advanced Heavy Ion Beam Probe can simultaneously measure the plasma electric potential ''&phi;'', the electron density ''n<sub>e</sub>'', and a poloidal magnetic field component ''B<sub>p</sub>'' at a point inside the plasma.
<ref>I.S. Bondarenko et al., ''Installation of an advanced heavy ion beam diagnostic on the TJ-II stellarator'', [http://link.aip.org/link/?RSINAK/72/583/1 Rev. Sci. Instrum. '''72''', 583 (2001)]</ref>
<ref>I.S. Bondarenko et al., ''Installation of an advanced heavy ion beam diagnostic on the TJ-II stellarator'', [doi:10.1063/1.1310593|Rev. Sci. Instrum. '''72''', 583 (2001)]]</ref>
<ref>L.I. Krupnik et al., ''The first operation of the advanced heavy ion beam probing diagnostic on the TJ-II flexible heliac'', [[doi:10.1016/S0920-3796(01)00428-8|Fusion Engineering and Design '''56-57''' (2001) 935]]</ref>
<ref>L.I. Krupnik et al., ''The first operation of the advanced heavy ion beam probing diagnostic on the TJ-II flexible heliac'', [[doi:10.1016/S0920-3796(01)00428-8|Fusion Engineering and Design '''56-57''' (2001) 935]]</ref>
<ref>I.S. Bondarenko et al, ''High intensity alkali ion sources for plasma diagnostics'', [http://link.aip.org/link/?RSINAK/75/1826/1 Rev. Sci. Instrum. '''75''' (2004) 1826]</ref>
<ref>I.S. Bondarenko et al, ''High intensity alkali ion sources for plasma diagnostics'', [[doi:10.1063/1.1699512|Rev. Sci. Instrum. '''75''' (2004) 1826]]</ref>
<ref>L. Krupnik et al, ''Radial electric fields and confinement in the TJ-II stellarator'', [[doi:10.1007/s10582-005-0044-8|Czechoslovak Journal of Physics '''55''', 3 (2005) 317-339(23)]]</ref>
<ref>L. Krupnik et al, ''Radial electric fields and confinement in the TJ-II stellarator'', [[doi:10.1007/s10582-005-0044-8|Czechoslovak Journal of Physics '''55''', 3 (2005) 317-339(23)]]</ref>
<ref>L. Pereira et al, ''Control and data acquisition system for the multiple cell array detector of the TJ-II heavy ion beam diagnostic'', [[doi:10.1016/j.fusengdes.2006.04.029|Fusion Engineering and Design '''81''', Issues 15-17 (2006) 1885-1889]]</ref>
<ref>L. Pereira et al, ''Control and data acquisition system for the multiple cell array detector of the TJ-II heavy ion beam diagnostic'', [[doi:10.1016/j.fusengdes.2006.04.029|Fusion Engineering and Design '''81''', Issues 15-17 (2006) 1885-1889]]</ref>
<ref>A.V. Melnikov et al, ''Plasma Potential Evolution Study by HIBP Diagnostic During NBI Experiments in the TJ-II Stellarator'', [http://www.new.ans.org/pubs/journals/fst/a_1284 Fusion Science and Technology '''51''', 1 (2007) 31-37]</ref>
<ref>A.V. Melnikov et al, ''Plasma Potential Evolution Study by HIBP Diagnostic During NBI Experiments in the TJ-II Stellarator'', [http://www.new.ans.org/pubs/journals/fst/a_1284 Fusion Science and Technology '''51''', 1 (2007) 31-37]</ref>
<ref>A.V. Melnikov, L.I. Krupnik, C. Hidalgo, et al, ''Diagnostic advances in Heavy Ion Beam Probing in the T-10 tokamak and TJ-II stellarator'', [http://ocs.ciemat.es/EPS2013PAP/pdf/O6.505.pdf 40<sup>th</sup> EPS Conference (2013) O6.505</ref>
<ref>A.V. Melnikov, L.I. Krupnik, C. Hidalgo, et al, ''Diagnostic advances in Heavy Ion Beam Probing in the T-10 tokamak and TJ-II stellarator'', [http://ocs.ciemat.es/EPS2013PAP/pdf/O6.505.pdf 40<sup>th</sup> EPS Conference (2013) O6.505]</ref>
This point can be scanned through the plasma cross-section by varying the deflection potentials (active beam control).
This point can be scanned through the plasma cross-section by varying the deflection potentials (active beam control).
A multiple cell array detector (MCAD) has been developed to investigate the spatial structure of plasma turbulence.
A multiple cell array detector (MCAD) has been developed to investigate the spatial structure of plasma turbulence.
<ref>B. Gonçalves et al, ''Operation of a multiple cell array detector in plasma experiments with a heavy ion beam diagnostic'', [http://link.aip.org/link/?RSINAK/75/3511/1 Rev. Sci. Instrum. '''75''' (2004) 3511]</ref>
<ref>B. Gonçalves et al, ''Operation of a multiple cell array detector in plasma experiments with a heavy ion beam diagnostic'', [[doi:10.1063/1.1785276|Rev. Sci. Instrum. '''75''' (2004) 3511]]</ref>
The system is located in [[TJ-II:Sectors|sector]] B4.
The system is located in [[TJ-II:Sectors|sector]] B4.
[[File:TJ-II_HIBP.png|350px|thumb|right|HIBP probe composite photo (taken around 2002)]]
[[File:TJ-II_HIBP.png|350px|thumb|right|HIBP probe composite photo (taken around 2002)]]