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What is it about?

A novel correction procedure, for compensating thermal contraction errors in the measurement of the magnetic field of superconducting undulator coils in a liquid helium cryostat by using measurements done with multiple Hall probes placed at fixed distance, is proposed. The effectiveness and limitations of the correction procedure are validated by numerical simulations.

Why is it important?

The development of high field short period undulators requires the development of increasingly sophisticated techniques to increase the accuracy of the magnetic field period measurement. In this process, it is essential to be able to distinguish the contribution of measurement artefacts from the imperfections of the undulator under analysis.

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The following have contributed to this page:
Barbara Marchetti
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