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Open Access Publications from the University of California

A Multi-Pinhole Faraday Cup Device for Measurement of Discrete Charge Distribution of Heavy and Light Ions

  • Author(s): Roy, Prabir K
  • Taller, Stephen
  • Toader, Ovidiu
  • Naab, Fabian
  • Dwaraknath, Shyam
  • Was, Gary S
  • et al.

© 2015 IEEE. A new multi-pinhole Faraday cup (MPFC) device was designed, fabricated and tested to measure ion beam uniformity over a range of centimeters. There are 32 collectors within the device, and each of those is used as an individual Faraday cup to measure a fraction of the beam current. Experimental data show that the device is capable of measuring a charged particles distribution - either in the form of a raster scanned focused beam or a defocused beam.

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