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Use of ferroelectric-crystal detectors for electron dosimetry

By: Beddar, A.-S.; Higgins, P.D.;

1990 / IEEE


This item was taken from the IEEE Periodical ' Use of ferroelectric-crystal detectors for electron dosimetry ' A ferroelectric detector system was designed for measurement of dose rate in high-energy electron beams. It was found that a simple lead zirconate-titanate ceramic responds reproducibly to a chopped electron beam by ferroelectric conversion of the resulting pulsed temperature rise to a proportional output voltage. Response as a function of dose rate is linear, the rate of response being a function of incident energy. As a calorimetric dose-rate meter the detector is responsive with response improving as energy is reduced. The detector can be used over a broad range of energies not usually accessible with a single detector.<>