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A high-average-power tapered FEL amplifier at submillimeter frequencies using sheet electron beams and short-period wigglers

  • S. W. Bidwell
  • , D. J. Radack
  • , T. M. Antonsen
  • , J. H. Booske
  • , Y. Carmel
  • , W. W. Destler
  • , V. L. Granatstein
  • , B. Levush
  • , P. E. Latham
  • , I. D. Mayergoyz
  • , Z. X. Zhang

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

A high-average-power FEL amplifier operating at submillimeter frequencies is under development at the University of Maryland. Program goals are to produce a cw, ∼1 MW, FEL amplifier source at frequencies between 280 and 560 GHz. To this end, a high-gain, high-efficiency, tapered FEL amplifier using a sheet electron beam and a short-period (superconducting) wiggler has been chosen. Development of this amplifier is progressing in three stages: 1) beam propagation through a long length (∼ 1 m) of a short-period (λw = 1 cm) wiggler, 2) demonstration of a proof-of-principle amplifier experiment at 98 GHz, and 3) designs of a superconducting tapered FEL amplifier meeting the ultimate design goal specifications.

Original languageEnglish
Pages (from-to)187-191
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume304
Issue number1-3
DOIs
StatePublished - 1 Jul 1991
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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