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| MOPO107 |
Performance Evaluation of the RF Reference Phase Stabilization System on Fiber-optical Link for KEK e−/e+ Injector LINAC |
feedback, linac, controls, FPGA |
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- N. Liu, B. Du
Sokendai - Hayama, Hayama, Japan
- D.A. Arakawa, H. Katagiri, T. Matsumoto, S. Michizono, T. Miura, F. Qiu, Y. Yano
KEK, Ibaraki, Japan
- T. Matsumoto, T. Miura, F. Qiu
Sokendai, Ibaraki, Japan
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KEK e−/e+ injector is the 600 m J-shaped LINAC which has 8 RF sectors. Stabilization of RF phase reference for long distance transmission is necessary for stable RF operation. In the present system, single-mode fiber-optical links without feedback control are used from sector 2 to 5. For the SuperKEKB, the phase stability requirement is within 0.1 deg. rms. The more stable RF phase reference is necessary to improve the phase stability. In this paper, a feedback control system for RF reference phase stabilization is tested for system performance evaluation. The temperature and humidity characteristics of the electric and optical components and phase stabilized optical fiber (PSOF) with different wavelengths will also be presented.
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Poster MOPO107 [2.026 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-LINAC2018-MOPO107
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| About • |
paper received ※ 12 September 2018 paper accepted ※ 21 September 2018 issue date ※ 18 January 2019 |
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