Garnet Ring Measurements For The Fermilab Booster 2nd Harmonic Cavity
J. Kuharik, J. Dey, K. Duel, R. Madrak, A. Makarov, W. Pellico, J., Reid, G. Romanov, M. Slabaugh, D. Sun, C.Y. Tan, I. Terechkine (Fermilab)
TL;DR
This paper discusses the measurement of garnet rings used in the Fermilab Booster's second harmonic cavity, focusing on quality control of magnetic properties and uniformity through specific tests.
Contribution
It introduces two testing methods for assessing the magnetic properties and uniformity of garnet rings used in accelerator cavities.
Findings
Magnetic property measurements of garnet rings
Assessment of property uniformity within the tuner
Validation of testing procedures for quality control
Abstract
A perpendicularly biased tuneable 2nd harmonic cavity is being constructed for use in the Fermilab Booster. The cavity's tuner uses National Magnetics AL800 garnet as the tuning media. For quality control, the magnetic properties of the material and the uniformity of the properties within the tuner must be assessed. We describe two tests which are performed on the rings and on their corresponding witness samples.
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Taxonomy
TopicsParticle Accelerators and Free-Electron Lasers · Particle accelerators and beam dynamics · Superconducting Materials and Applications