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TY - CONF AU - Ko, J.H. AU - Kang, H.-S. AU - Kim, C. AU - Kim, G. AU - Ko, I.S. ED - Schaa, Volker RW ED - Pei, Guoxi ED - Chin, Yong Ho ED - Fu, Shinian ED - Zhao, Ning TI - Coherent Synchrotron Radiation Monitor for Microbunching Instability in XFEL J2 - Proc. of LINAC2018, Beijing, China, 16-21 September 2018 CY - Beijing, China T2 - Linear Accelerator Conference T3 - 29 LA - english AB - The microbunching instability is an important issue in an X-ray Free Electron Laser (XFEL). The intensity of the FEL can be reduced significantly by the microbunching instability so that the laser heater is widely used to reduce it. In the X-ray Free Electron Laser of the Pohang Accelerator Laboratory (PAL-XFEL), to directly monitor the microbunching instability, a visible CCD camera was included into the coherent radiation monitor (CRM) which uses a pyroelectric detector. It enabled us to measure the microbunching instability more clearly and optimize the FEL lasing in the PAL-XFEL. PB - JACoW Publishing CP - Geneva, Switzerland SP - 115 EP - 117 KW - radiation KW - laser KW - electron KW - bunching KW - FEL DA - 2019/01 PY - 2019 SN - 2226-0366 SN - 978-3-95450-194-6 DO - DOI: 10.18429/JACoW-LINAC2018-MOPO040 UR - http://jacow.org/linac2018/papers/mopo040.pdf ER -