Phys. Rev. ST Accel. Beams 12, 070703 (2009) [7 pages]Electron beam requirements for Smith-Purcell backward wave oscillator with external focusing
Operation of the Smith-Purcell backward wave oscillator requires a flat electron beam. Without the electron beam focusing, the requirement leads to a very stringent criterion on vertical emittance. In this paper, we discuss a way to relax the criterion by introducing an external focusing. 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. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.12.070703
DOI:
10.1103/PhysRevSTAB.12.070703
PACS:
52.59.−f, 41.60.Cr, 41.20.−q, 41.85.Ew
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