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- M. Ferianis, S. Bassanese, F. Iazzourene
ELETTRA, Sincrotrone Trieste, Trieste, Italy
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Since several years, the Diagnostic Group at Laboratori Nazionali di
Legnaro (LNL) has been designing Fast Faraday Cups (FFC) to be used on
their Heavy Ion Accelerators; latest developments in this field include a
stripline FFC, jointly developed with SNS, Oak Ridge. A collaborative
partnership has been set-up between LNL and ELETTRA Laboratory to fully
characterize new FFCs, using as electron source the ELETTRA 1 GeV Linac.
Two FFCs, the stripline FFC, built at SNS, and a coaxial FFC, made at
LNL, have been installed at ELETTRA who provided the wideband data
acquisition and the remote control of the measurement. The first
measurements carried out using 1 GHz oscilloscope allowed the proper
set-up of remote control and a low jitter triggering. Wideband
measurements were performed with a sampling scope equipped with 50 GHz
head whereas the bandwidth of the stripline FFC is in the order of 10 GHz.
A complete set of tests has been carried both on the coaxial FFC and on
the stripline FFC. Thanks to the information provided by these wideband
measurements, the Linac working point has been further optimized as well
as the injection process into the ELETTRA SR.
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