Electron beamline design for the Los Alamos National Laboratory 1 kW FEL

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This paper describes the electron beam simulations for a 1 kW average power FEL. The experiment utilizes the existing AFEL accelerator. An expected 6% total efficiency of electron beam power to optical power gives 17 kW of electron beam power for 1 kW of optical power. A constraint on the beamline design is that the FEL electron beamline and optical components must fit on the existing AFEL 6 ft. high by 10 ft. long optical table. The components include electron beam diagnostics, a 2 meter long wiggler, bending magnets, and optical feedback components. The electron beam design point is 300 ... continued below

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6 p.

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Sheffield, R.L. October 1, 1996.

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Description

This paper describes the electron beam simulations for a 1 kW average power FEL. The experiment utilizes the existing AFEL accelerator. An expected 6% total efficiency of electron beam power to optical power gives 17 kW of electron beam power for 1 kW of optical power. A constraint on the beamline design is that the FEL electron beamline and optical components must fit on the existing AFEL 6 ft. high by 10 ft. long optical table. The components include electron beam diagnostics, a 2 meter long wiggler, bending magnets, and optical feedback components. The electron beam design point is 300 A peak current, 17 MeV energy, 7.5 {pi} mm-mrad effective normalized rms emittance and 6 nC micropulse charge. The electron beamline will have greater than 99% transmission. The wiggler will have weak (natural) two plane focusing to maintain the electron beam size in the long wiggler. The beamline after the wiggler has to transport a beam with a 14 to 18 MeV energy spread and an average energy of 16 MeV.

Physical Description

6 p.

Notes

OSTI as TI96014758

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  • 18. international free electron laser conference and 3. FEL Users` workshop, Rome (Italy), 25-30 Aug 1996

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  • Other: TI96014758
  • Report No.: LA-UR--96-3015
  • Report No.: CONF-9608133--3
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/459327 | External Link
  • Office of Scientific & Technical Information Report Number: 459327
  • Archival Resource Key: ark:/67531/metadc674831

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • Feb. 29, 2016, 2:21 p.m.

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Sheffield, R.L. Electron beamline design for the Los Alamos National Laboratory 1 kW FEL, report, October 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc674831/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.