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Measurement of the secondary emission yield of a thin diamond window in transmission mode

  • Chang Xiangyun
  • , Ilan Ben-Zvi
  • , Andrew Burrill
  • , Steven Hulbert
  • , Peter Johnson
  • , Jorg Kewisch
  • , Triveni Rao
  • , John Smedley
  • , Zvi Segalov
  • , Zhao Yongxiang
  • Brookhaven National Laboratory

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

Abstract

The secondary emission enhanced photoinjector (SEEP) is a promising new approach to the generation of high-current, high-brightness electron beams. A low current primary electron beam with energy of a few thousand electron-volts strikes a specially prepared diamond window which emits secondary electrons with a current two orders of magnitude higher. The secondary electrons are created at the back side of the diamond and drift through the window under the influence of a strong electrical field. A hydrogen termination at the exit surface of the window creates a negative electron affinity (NEA) which allows the electrons to leave the diamond. An experiment was performed to measure the secondary electron yield and other properties. The results are discussed in this paper..

Original languageEnglish
Title of host publicationProceedings of the Particle Accelerator Conference, PAC 2005
Pages2251-2253
Number of pages3
DOIs
StatePublished - 2005
EventParticle Accelerator Conference, PAC 2005 - Knoxville, TN, United States
Duration: May 16 2005May 20 2005

Publication series

NameProceedings of the IEEE Particle Accelerator Conference
Volume2005

Conference

ConferenceParticle Accelerator Conference, PAC 2005
Country/TerritoryUnited States
CityKnoxville, TN
Period05/16/0505/20/05

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