WG3023
KEK, Ibaraki, Japan
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WG3023 |
Performance Study of the Tuner for cERL Main Linac | |
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| The tuner is one of the most important components for keeping the ERL operation stably. Many type of tuner system were developed all over the world. Our tuner is based on slide jack tuner and piezo tuner as frequency tuning system. This slide jack tuner is originally developed as ILC tuner in Japan and now working stably at KEK-STF cryomodule. Frequency is tuned coarsely by slide jack mechanism and finely by piezo. The purpose of this study is to evaluate performance of the tuner as ERL tuner. In this report, we evaluated basic performance in normal temperature at first step. We conducted experiment with slide-jack mechanism and piezo in normal temperature. The result shows that slide-jack mechanism and piezo have enough stroke and accuracy even to take degradation caused by low-temperature into consideration. In this report, we confirmed that this tuner works well in normal temperature. The next step is to conduct experiment in low temperature. | ||
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Slides WG3023 [0.869 MB] | |