Correlation between structural and optical properties in proton-exchanged LiNbO3

Wei Yung Hsu, Gabriel Braunstein, Venkatraman Gopalan, Craig S. Willand, Mool C. Gupta

Research output: Contribution to journalArticle

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Abstract

We present a correlation of the structural characterization of proton-exchanged LiNbO3 provided by ion beam and x-ray analysis with the optical characterization provided by refractive index and second-harmonic generation measurements. The process of proton exchange induces disorder in the crystal lattice of LiNbO3. Subsequent thermal annealing removes only partially the lattice disorder and, in particular, the near surface region of the samples generally remains highly distorted. Results of x-rays studies indicate that the proton exchange induces a strain in the lattice and thermal annealing partially recovers it.

Original languageEnglish (US)
Pages (from-to)3083-3085
Number of pages3
JournalApplied Physics Letters
Volume61
Issue number26
DOIs
StatePublished - Dec 1 1992

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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