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TY - CONF AU - Jiang, B.C. AU - Chen, J.H. AU - Zhang, Q.L. AU - Zhao, Z.T. ED - Schaa, Volker RW ED - Ji, Daheng ED - Li, Lu ED - Zhao, Ning TI - Using a Bessel Light Beam as an Ultra-short Period Helical Undulator J2 - Proc. of SAP2017, Jishou, China, 28-30 August 2017 C1 - Jishou, China T2 - Symposium on Accelerator Physics T3 - 13 LA - english AB - An undulator is a critical component to produce synchrotron radiation and free electron laser. When a Bessel light beam carrying the orbit angular momentum co-propagates with an electron beam bunch, a net transverse deflection force will be subjected to the latter one. As a result of dephasing effect, the deflection force will oscillate and act as an undulator. For such a laser based undulator, the period length can reach sub-millimeter level, which will greatly reduce the electron energy for the required X-ray production. PB - JACoW CP - Geneva, Switzerland SP - 121 EP - 123 KW - ion KW - electron KW - undulator KW - laser KW - radiation DA - 2018/02 PY - 2018 SN - 978-3-95450-199-1 DO - 10.18429/JACoW-SAP2017-TUAH4 UR - http://jacow.org/sap2017/papers/tuah4.pdf ER -