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Israeli tandem FEL: First lasing results and future plans

  • A. Abramovich
  • , A. Arensburg
  • , D. Chairman
  • , A. Eichenbaum
  • , M. Draznin
  • , A. Gover
  • , H. Kleinman
  • , I. Merhasin
  • , Y. Pinhasi
  • , J. S. Sokolowski
  • , Y. M. Yakover
  • , M. Cohen
  • , L. A. Levin
  • , O. Shahal
  • , A. Rosenberg
  • , I. Schnitzer
  • , J. Shiloh

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

Results of first operation of the Israeli Electrostatic-Accelerator Tandem Free-Electron Laser (EA-FEL) are reported. This EA-FEL utilizes a 1.4 Amp electron beam obtained from a parallel flow Pierce-type electron gun. The e-beam is transported through a resonator located inside a planar Halbach configuration wiggler, both located at the high voltage terminal of the van de graaf accelerator. The high voltage terminal is charge to a positive potential of 1.4 MeV with respect to the cathode. The resonator utilizes a curved parallel plates waveguide and two Talbot effect quasioptical reflectors (wave splitters). It exhibited a quality factor of Q ≈ 30,000. Millimeter wave radiation pulses of 2 μsec duration were obtained at a frequency of 100.5 GHz, as predicted, at a power level above 1 kW.

Original languageEnglish
Pages (from-to)83-92
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3154
DOIs
StatePublished - 1997
Externally publishedYes
EventCoherent Electron-Beam X-Ray Sources: Techniques and Applications - San Diego, CA, United States
Duration: 31 Jul 19971 Aug 1997

Keywords

  • FEL
  • High power microwave
  • mm waves

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