High-harmonic generation in plasmas from relativistic laser-electron scattering

S. Banerjee, A. R. Valenzuela, R. C. Shah, A. Maksimchuk, D. Umstadter

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


Results are presented on the generation of high harmonics through the scattering of relativistic electrons from high-intensity laser light. The characteristic signatures of this process are found to be the emission of even-order harmonics, linear dependence on the electron density, significant amount of harmonics with circular polarization, and small spatial extent of the source. The harmonics are emitted as a forward-directed beam with a divergence of 2°-3°. The measured spatial profile of the harmonics is in excellent agreement with calculations that assume that relativistic electrons play a significant part in the scattering process.

Original languageEnglish (US)
Pages (from-to)182-190
Number of pages9
JournalJournal of the Optical Society of America B: Optical Physics
Issue number1
StatePublished - Jan 2003
Externally publishedYes

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics


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