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- V. Sargsyan
TU-Berlin, Technische Universität, Berlin, Germany
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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.
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