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Title Performance Evaluation of the RF Reference Phase Stabilization System on Fiber-optical Link for KEK e⁻/e⁺ Injector LINAC
  • 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
Abstract 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.
Paper download MOPO107.PDF [0.884 MB / 3 pages]
Poster download MOPO107_POSTER.PDF [2.026 MB]
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Conference LINAC2018, Beijing, China
Series Linear Accelerator Conference (29th)
Proceedings Link to full LINAC2018 Proccedings
Session Monday Poster Session
Date 17-Sep-18   16:00–18:00
Main Classification Technology
Sub Classification Low level RF
Keywords feedback, linac, controls, EPICS, network
Publisher JACoW Publishing, Geneva, Switzerland
Editors Volker RW Schaa (GSI, Darmstadt, Germany); Guoxi Pei (IHEP, Beijing, China); Yong Ho Chin (KEK, Tsukuba, Japan); Shinian Fu (IHEP, Beijing, China); Ning Zhao (IHEP, Beijing, China)
ISBN 978-3-95450-194-6
Published August 2018
Copyright © 2018 by JACoW, Geneva, Switzerland     CC-BY Creative Commons License
cc Creative Commons Attribution 3.0