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The TJ-II bolometry system for tomographic reconstruction (sector B7, φ = 255.5 °)

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][4] of the total plasma emissivity. [5] Signal names in the TJ-II database: 'BO101' ... 'BO120', 'BO201' ... 'BO220', 'BO301' ... 'BO320'.
  • Three 16-channel cameras in sectors A7, C2, D7. 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'.


  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. TJ-II:Tomography
  5. 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