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Quench Antenna Developments at Fermilab
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Description
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Abstract:
Building on experience with inductive coil Printed Circuit Board (PCB) probes used for magnetic measurements, Fermilab has in recent years developed flexible quench antennas (QAs) for a variety of applications. These have proved to be low-noise, low-cost, sensitive, and non-invasive sensors for quench characterization in superconducting magnets. Applications have spanned from small area sensors to a 5m-long array with over 120 channels of antennas in use for the production testing of MQXFA quadrupole magnets at BNL for the HiLumi LHC Accelerator Upgrade Program. We’ve checked for feasibility of use at high pressures (e.g. for installation between coils during magnet fabrication), and are exploring some new designs to increase sensitivity and spatial resolution. We’ve also developed some tools to help test these sensors. This talk will give an overview of the efforts and development of Qas at Fermilab, and discuss what might be the direction of further research.
Carlo Petrone
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