Advanced Intraundulator Electron Beam Diagnostics Using COTR Techniques.

Authors :: Lumpkin, A. H.
Berg, W. J.
Biedron, S.
Borland, M.
Chae, Y. C.
Dejus, R.
Erdmann, M.
Huang, Z.
Kim, K.-J.
Lewellen, J.
Li, Y.
Milton, S. V.
Moog, E.
Rule, D. W.
Sajaev, V.
Yang, B. X.
Source :: AIP Conference Proceedings; 2002, Vol. 648 Issue 1, p212, 8p
Publication Year :: 2002
Abstract: A significant advance in intraundulator electron-beam diagnostics has recently been demonstrated based on coherent optical transition radiation (COTR) imaging. We find signal strengths from a microbunched beam in a UV-visible free-electron laser to be several orders of magnitude higher than that of incoherent optical transition radiation. In addition we report that the far-field images of COTR interferograms carry information about beam size and asymmetry, divergence, and pointing. [ABSTRACT FROM AUTHOR]