Paper | Title | Page |
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WEPAC13 | Achieving High Accuracy in Cornell's ERL Cavity Production | 817 |
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Funding: Supported by NSF award DMR-0807731 The phase 1 R&D program launched in preparation to building a 5 GeV Enery Recovery Linac (ERL) at Cornell, a full main linac cryomodule is currently built, housing six 7-cell cavities. In order to control the beam break-up limit, the shape of the cavity was highly optimized and stringent tolerances on the cavity production were targeted. We will report on the details of the cavity production, the accuracy of the cups forming the individual cells, the trimming procedure for the dumbbells, the cavity tuning and final accuracy of the cavity concerning field flatness, resonant frequency and overall length within this small series production. |
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