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resonance

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PT02 Pill-Box Cavity BPM For TESLA Cryomodul diagnostics, linac, monitoring, position, single bunch 172
 
  • V. Sargsyan
    TU-Berlin, Technische Universität, Berlin, Germany
  A new cavity BPM with 10 μm resolution is designed and fabricated to perform single bunch measurements at the TESLA linear collider. In order to have a low energy dissipation in the cryogenic supermodule, the inner surface of the cavity is copper plated. Cross-talk is minimised by a special polarisation design. The electronics, at 1.5 GHz, is a homodyne receiver normalised to the bunch charge. Its LO-signal for down-conversion is taken from the same cavity.