High-brightness electron injectors: A review

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Description

The last decade has seen increased emphasis on the development of high-brightness electron beams because of rigorous requirements of the new generation of colliders and the advent of free-electron lasers. This talk describes the approaches now being explored for attaining intense, bright electron beams. The methods for producing bright electron beams include photocathode-based, short-pulse injectors; dc electrostatic accelerator sources; long-pulse beams, which are then compressed in time using subharmonic bunching; combining first and third harmonics in an accelerator to attain the equivalent of high-gradient dc fields; and LaB/sub 6/ rf guns. For several of the approaches, the temporal length of ... continued below

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Pages: 6

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Sheffield, R.L. January 1, 1989.

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Description

The last decade has seen increased emphasis on the development of high-brightness electron beams because of rigorous requirements of the new generation of colliders and the advent of free-electron lasers. This talk describes the approaches now being explored for attaining intense, bright electron beams. The methods for producing bright electron beams include photocathode-based, short-pulse injectors; dc electrostatic accelerator sources; long-pulse beams, which are then compressed in time using subharmonic bunching; combining first and third harmonics in an accelerator to attain the equivalent of high-gradient dc fields; and LaB/sub 6/ rf guns. For several of the approaches, the temporal length of the electron pulse is decreased after acceleration to relativistic energies by impressing an energy spread on the electron bunch and using a nonisochronous beam-transport system to increase the peak current. 37 refs., 7 figs.

Physical Description

Pages: 6

Notes

NTIS, PC A02/MF A01 - OSTI; 1.

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  • 13. particle accelerator conference, Chicago, IL, USA, 20 Mar 1989

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  • Other: DE89014244
  • Report No.: LA-UR-89-965
  • Report No.: CONF-890335-215
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6037677
  • Archival Resource Key: ark:/67531/metadc1097785

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1989

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

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  • May 31, 2018, 12:48 p.m.

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Sheffield, R.L. High-brightness electron injectors: A review, article, January 1, 1989; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1097785/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.