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Phys. Rev. ST Accel. Beams 3, 030701 (2000) [9 pages]

Coherent off-axis undulator radiation from short electron bunches

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C. P. Neuman
Free-Electron Laser Laboratory, Duke University, Durham, North Carolina 27708

W. S. Graves
Brookhaven National Laboratory, Upton, New York 11973-5000

P. G. O'Shea
Institute of Plasma Research, Department of Electrical and Computer Engineering, University of Maryland, College Park, Maryland 20742

Received 29 September 1999; published 10 March 2000

The nature of off-axis undulator radiation is discussed. Of particular interest is coherent off-axis radiation, where the wavelengths of emission are longer than the electron bunch length. We show how this off-axis radiation may be used to measure relative electron bunch lengths. The theory is presented, and calculated spectra are presented in a number of cases of interest.

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.3.030701
DOI:
10.1103/PhysRevSTAB.3.030701
PACS:
29.27.Fh, 29.17.+w, 41.60.Cr
 
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