A Low Loss Quasioptical Cavity for a Two-Stage Free Electron Laser (FEL).

Abstract

A quasioptical cavity consisting of a cylindrical, metallic, overmoded, TE sub 01 waveguide between two spherical end mirrors will be used to contain long-wavelength (approx. 1 mm) pump radiation in a two-stage free electron laser. The major loss mechanism is found to be mode conversion. Two different modified cavities are shown to suffer negligible mode conversion, and two more possible approaches, with low mode conversion and additional advantages, are discussed. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 25, 1983
Accession Number
ADA133321

Entities

People

  • J. F. Ward
  • S. B. Segall
  • S. Von Laven

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Cavity Resonators
  • Contract Administration
  • Conversion
  • Curvature
  • Diameters
  • Electric Fields
  • Electron Beams
  • Electrons
  • Explosive Ordnance Disposal
  • Far Field
  • Free Electron Lasers
  • Free Electrons
  • Military Research
  • Mirrors
  • Phase Shift
  • Radiation
  • Reflectors

Fields of Study

  • Physics

Readers

  • Microwave Engineering.
  • Optical Physics and Photonics.
  • Pulsed Power and Plasma Physics.

Technology Areas

  • Directed Energy
  • Microelectronics