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Title The Developing of the Beam Injection Section with Laser Source and S-Band Electron RF Gun for SuperKEKB Project
  • X. Zhou, Y. Ogawa, M. Yoshida, R. Zhang
    KEK, Ibaraki, Japan
Abstract For the beam injection at Linac Accelerator of the SuperKEKB project, the s-band RF gun needs to provide low-emittance high-charge electron bunches. An ultrashort high energy solid laser driving a cathode in a quasi-travelling side-coupled RF gun were developed. A Yb fiber and Nd:YAG hybrid laser amplify system is start with 114.24 MHz oscillator that synchronized from accelerator. Two beam lines with the 25Hz, ~20ps, and sub-mJ Ultraviolet pulses were generated to RF gun. Ir5Ce has long lifetime and quantum efficiency QE that was employed to cathode. The RF gun has two side coupled cavities on same axis can realize quasi-traveling wave, which is suitable for the high charge and low emittance beam generation. Now, great progress has been made to make the RF gun function well. For the Phase II commissioning, required charge and emittance were achieved.
Paper download MOPO007.PDF [1.055 MB / 4 pages]
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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 Electron Accelerators and Applications
Sub Classification Electron linac projects
Keywords laser, gun, electron, MMI, emittance
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