Induced optical absorption and its relaxation in LiNbO3

L. Grigorjeva, D. Millers, G. Corradi, K. Polgár, V. Pankratov

Research output: Contribution to journalConference article

5 Citations (Scopus)

Abstract

Electron pulse induced absorption spectra and their decay kinetics have been investigated in LiNbO3 crystals with various Li/Nb ratios ranging from congruent to stoichiometric composition. It is shown that the absorption spectra, the optical density and the decay kinetics depend on the Li/Nb ratio. The rising front of the induced absorption is too fast to be resolved. The room temperature decay, characterized by the half-lifetime Δt, is faster in the stoichiometric crystal (∼750 ns) than in the congruent crystal (∼ 3.5 μs).

Original languageEnglish
Pages (from-to)193-198
Number of pages6
JournalRadiation Effects and Defects in Solids
Volume150
Issue number1-4
DOIs
Publication statusPublished - Jan 1 1999
EventProceedings of the 1998 8th Europhysical Conference on Defects in Insulating Materials, EURODIM 98 - Keele, United Kingdom
Duration: Jun 6 1998Jun 11 1998

Keywords

  • Lithium niobate
  • Relaxation process
  • Transient absorption

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Condensed Matter Physics

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