Nonlinear refraction and absorption of Mg doped stoichiometric and congruent LiNbO3

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A study was conducted on the light induced beam distortion for intensities up to MW/cm2 level on a series of LN samples using a combination of single-beam Z-scan measurements with CCD recordings of the transmitted beam cross section and the observation of the temporal evolution of the transmittance in a fixed sample position. It was found that in pure and nominally pure cLN, sLN, and Mg-doped cLN with the Mg concentration below the threshold the PR effect was dominant and the Z-scan technique cannot be used in a quantitative way to determine the nonlinear refraction coefficient.

Original languageEnglish
Pages (from-to)902-908
Number of pages7
JournalJournal of Applied Physics
Issue number3
Publication statusPublished - Feb 1 2004


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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