Broadband flexible waveguides for free-electron laser radiation

Israel Gannot, R. W. Waynant, A. Inberg, N. Croitoru

Research output: Contribution to journalArticle

Abstract

We refined flexible waveguides previously developed for CO2 and Er:YAG laser radiation to transmit free-electron-laser (FEL) radiation. One can tune this laser over several segments of the radiation spectrum. This laser has a high peak power of as much as 10 MW with pulse energy of as much as 100 mJ. We made the waveguides of either Teflon or fused-silica tubes internally coated with metal and dielectric layers. We optimized the internal coatings specifications for transmission of various radiation wavelengths in the mid-IR range and enabled transmission of high-peak radiation. We performed experiments in three major FEL sites in the United States over a more than 1-year period when we measured and examined various characteristics of transmission. We used the analysis of these experiments as feedback to further improve these waveguides. The good preliminary results encourage us to invest more effort to further develop these waveguides until a suitable waveguide is obtained for this type of laser and make possible its introduction to the medical field where its characteristics can be exploited in surgical applications.

Original languageEnglish (US)
Pages (from-to)6289-6293
Number of pages5
JournalApplied Optics
Volume36
Issue number25
DOIs
StatePublished - Sep 1 1997
Externally publishedYes

Fingerprint

Free electron lasers
Laser radiation
free electron lasers
Waveguides
laser beams
broadband
waveguides
Wave transmission
Radiation
Lasers
lasers
radiation spectra
teflon (trademark)
radiation
Fused silica
Polytetrafluoroethylenes
YAG lasers
specifications
Experiments
tubes

Keywords

  • Free-electron laser
  • Infrared radiation
  • Optical fibers and waveguides

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Broadband flexible waveguides for free-electron laser radiation. / Gannot, Israel; Waynant, R. W.; Inberg, A.; Croitoru, N.

In: Applied Optics, Vol. 36, No. 25, 01.09.1997, p. 6289-6293.

Research output: Contribution to journalArticle

Gannot, I, Waynant, RW, Inberg, A & Croitoru, N 1997, 'Broadband flexible waveguides for free-electron laser radiation', Applied Optics, vol. 36, no. 25, pp. 6289-6293. https://doi.org/10.1364/AO.36.006289
Gannot, Israel ; Waynant, R. W. ; Inberg, A. ; Croitoru, N. / Broadband flexible waveguides for free-electron laser radiation. In: Applied Optics. 1997 ; Vol. 36, No. 25. pp. 6289-6293.
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