TJ-II:Bolometry

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The TJ-II bolometry system for tomographic reconstruction (sector B7)

TJ-II has several bolometry systems [1] [2]

  • Three 20-channel pinhole cameras in sector B7, monitoring the same poloidal section and used for tomographic reconstructions [3] of the total plasma emissivity. [4] Signal names in the TJ-II database: 'BO101' ... 'BO120', 'BO201' ... 'BO220', 'BO301' ... 'BO320'.
  • Three 16-channel cameras in sectors A2, C2, D2. Signal names in the TJ-II database: 'ABOL1' ... 'ABOL16', 'CBOL1' ... 'CBOL16', 'DBOL1' ... 'DBOL16'.
  • Six global bolometry monitors. Signal names in the TJ-II database: 'BOL1', 'BOL3', 'BOL6'; 'BOL2', 'BOL5', 'BOL7'.

References

  1. ↑ M.A. Ochando et al., Up-Down and In-Out Asymmetry Monitoring Based on Broadband Radiation Detectors, Fusion Sci. Technol. 50, 313 (2006)
  2. ↑ B. Zurro et al, Method to deduce local impurity transport quantities from the evolution of tomographically reconstructed bolometer signals during tracer injection at TJ-II, Rev. Sci. Instrum. 75 (2004) 4231
  3. ↑ EBITA
  4. ↑ E. Barrera et al, Real-time data acquisition and parallel data processing solution for TJ-II Bolometer arrays diagnostic, Fusion Engineering and Design 81, Issues 15-17 (2006) 1863-1867
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