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| THPGW037 |
Hybrid Yb/Nd Laser System for RF Gun in SuperKEKB Phase II and Phase III Commissioning |
3663 |
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- R. Zhang, Y. Honda, M. Yoshida, X. Zhou
KEK, Ibaraki, Japan
- H.K. Kumano, N. Toyotomi
Mitsubishi Electric System & Service Co., Ltd, Tsukuba, Japan
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SuperEKKB phase II commissioning has been finished in the summer of 2018. By use of Ytterbium doped fiber and Nd:YAG hybrid laser system, 2.3 nC electron beam with low emittance has been achieved at the end of linac, which is generated by RF gun. The electron beam is injected and stored in High Energy Ring successfully. Basing on these operation experiences, the Nd:YAG laser system will be used for the early stages of SuperKEKB phase III commissioning. After the update of laser system during 2018 summer maintenance, about 5.3 nC electron charge is generated by RF gun. Beside this, the laser spatial and temporal reshaping experiment has been being done in order to realize the electron beam with low emittance and low energy spread. Meanwhile, a perspective towards the next step Yb:YAG laser system is also introduced in this paper.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-THPGW037
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| About • |
paper received ※ 13 May 2019 paper accepted ※ 21 May 2019 issue date ※ 21 June 2019 |
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