High-brightness electron sources for a next generation light source by an energy recovery linac

Hokuto Iijima, Ryoji Nagai, Nobuyuki Nishimori, Ryoichi Hajima

Research output: Contribution to journalArticlepeer-review

Abstract

A high-brightness electron source of ultra-small emittance and high-average current is one of the most important components for next-generation light sources based on an energy-recovery linac (ERL). Such a high-brightness electron source can be realized by a DC photo-cathode gun driven by laser pulses tailored in temporal and spatial dimensions. We propose a novel photocathode based on a quantum cascade laser (QCL). Since ultrafast response of photo-electron emission from the QCL is compatible with tailored laser pulses, it is a candidate for the electron source for ERLs.

Original languageEnglish
JournalIEEJ Transactions on Electronics, Information and Systems
Volume129
Issue number2
DOIs
Publication statusPublished - 2009 Jan 1

Keywords

  • Coherent x-ray
  • Electron source
  • Energy-recovery linac
  • Femtosecond x-ray
  • Next generation light source
  • Photocathode

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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