Direct-writing of inverted domains in lithium niobate using a continuous wave ultra violet laser

A. C. Muir, C. L. Sones, S. Mailis, R. W. Eason, T. Jungk, Á Hoffmann, E. Soergel

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

The inversion of ferroelectric domains in lithium niobate by a scanning focused ultra-violet laser beam (λ = 244nm) is demonstrated. The resulting domain patterns are interrogated using piezoresponse force microscopy and by chemical etching in hydrofluoric acid. Direct ultra-violet laser poling was observed in un-doped congruent, iron doped congruent and titanium in-diffused congruent lithium niobate single crystals. A model is proposed to explain the mechanism of domain inversion.

Original languageEnglish
Pages (from-to)2336-2350
Number of pages15
JournalOptics Express
Volume16
Issue number4
DOIs
Publication statusPublished - 18 Feb 2008
Externally publishedYes

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