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Bergoz Integrating Current Transformer, ICT,
Turbo-ICT, BCM  
Tabs
 
Photo LBL. ICT with shield and wall current bypass removed

The Integrating Current Transformer (ICT) is a capacitively shorted transformer and a fast read out transformer in a common magnetic circuit designed to measure the charge in a very short pulse with high accuracy.

The ICT integrates the signal with a time constant of 1 to 20 nanoseconds, depending on the model. Eddy current losses are negligible and the instrument is a very linear integrator for the very high frequency spectrum typical of a bunched beam signal.

ICT can be embedded inside a conflat flange for direct
mounting on the beam pipe.

ICTs are designed for use with Bergoz Beam Charge Monitor (BCM) for signal processing.


Features
Applications
  • Integrates a very fast pulse with rise time in the order of picoseconds with no significant loss
  • The ICT magnetic core and associated windings are essentially noise free
  • Measurement noise (measurement resolution) is determined by the signal processing
  • Down to 0.1 nA rms noise with a preamplifier
  • Input current rise time < 1 ps
  • Ultra-short pulse charge measurement in linacs
  • Slow extraction for medical therapy
  • Calibration of gas ionization chambers
  • Laser-plasma / wakefield acceleratorss
 
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