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TY - CONF AU - Novokhatski, A. AU - Brachmann, A. AU - Dal Forno, M. AU - Dolgashev, V.A. AU - Fisher, A.S. AU - Guetg, M.W. AU - Huang, Z. AU - Iverson, R.H. AU - Krejcik, P. AU - Lutman, A.A. AU - Maxwell, T.J. AU - Zemella, J. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - RadiaBeam/SLAC Dechirper as a Passive Deflector J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - We discuss the possibility of using the RadiBeam/SLAC dechirper recently installed at LCLS for measuring the bunch length of very short bunches, less than 1 fs perhaps as short as 100 atto second. When a bunch travels close to one of the jaws the particles of the bunch get a transverse kick depends upon the position of a particle in a bunch. The tail particles get more kick. The transverse force also gets a nonlinear dependence on the transverse position. The stretched bunch can be measured at the YAG screen that is 100 m downstream the dechirper. The most important aspect of this measurement is that that no synchronization is needed. The Green's function for the transverse kick was evaluated based on the precise wake field calculations of the dechirper corrugated structure*. Using this function we can restore the longitudinal shape of the bunch. This may also help to see if a bunch has any micro-bunch structure. PB - JACoW CP - Geneva, Switzerland SP - 817 EP - 819 KW - wakefield KW - electron KW - lattice KW - focusing KW - diagnostics DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-MOPOW046 UR - http://jacow.org/ipac2016/papers/mopow046.pdf ER -