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Title: Using pipe with corrugated walls for a subterahertz free electron laser

A metallic pipe with corrugated walls supports propagation of a high-frequency mode that is in resonance with a relativistic beam propagating along the axis of the pipe. This mode can be excited by a beam whose length is a fraction of the wavelength. In this paper, we study another option of excitation of the resonant mode—via the mechanism of the free electron laser instability. This mechanism works if the bunch length is much longer than the wavelength of the radiation and, hence, does not require bunch compression. As a result, it provides an alternative to excitation by short bunches that can be realized with relatively low energy and low peak-current electron beams.
Authors:
 [1]
  1. SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Publication Date:
Report Number(s):
SLAC-PUB-16171
Journal ID: ISSN 1098-4402; PRABFM; arXiv:1412.4159
Grant/Contract Number:
AC02-76SF00515
Type:
Published Article
Journal Name:
Physical Review Special Topics. Accelerators and Beams
Additional Journal Information:
Journal Volume: 18; Journal Issue: 3; Journal ID: ISSN 1098-4402
Publisher:
American Physical Society (APS)
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; general physics; ACCPHY
OSTI Identifier:
1180363
Alternate Identifier(s):
OSTI ID: 1165893