Curved Bragg reflectors for compact waveguide FELs

A. Doria, G.P. Gallerano

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Abstract

In this paper a curved Bragg reflector is analysed. Its main characteristic is the capability to confine the optical radiation and because of its transparency to an electron beam, it is particularly suitable for compact free-electron laser devices operating in the far infrared and millimetre wave range. Moreover it can be utilised in any kind of stable or unstable resonator. A mathematical method based on a modal expansion of the waveguide fields is used, in which the Bragg structure is treated as a perturbation in the inhomogeneous wave equation.
Original languageEnglish
Pages (from-to)288 - 294
Number of pages7
JournalOptics Communications
Volume127
Issue number4-6
DOIs
Publication statusPublished - 15 Jun 1996
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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