Hydrogen Defects And Optical Damage In LiNbO3

Dunbar P. Birnie III

doi:10.1117/12.948130

17 January 1989 Hydrogen Defects And Optical Damage In LiNbO3

Dunbar P. Birnie III

Proceedings Volume 0968, Ceramics and Inorganic Crystals for Optics, Electro-Optics, and Nonlinear Conversion; (1989) https://doi.org/10.1117/12.948130
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

The literature pertaining to hydrogen defects dissolved in lithium niobate has been reviewed. Particular attention has been given to the infra-red absorption spectra. The polarization variations of the spectra give indications about the structure of hydrogen defects in lithium niobate. In undoped crystals hydrogen defects sit in the close-packed oxygen plane, adjacent to vacant octahedral sites that result from nonstoichiometry. In magnesium doped crystals the observed threshold effect influences the hydrogen site; at low Mg concentrations there are sufficient vacant octahedral sites, but at high concentrations the hydrogen must sit adjacent to cations and are therefore pushed out of the close-packed oxygen plane. This changes the IR spectra. The hydrogen solution model is discussed with respect to optical damage effects in lithium niobate.

Citation Download Citation

Dunbar P. Birnie III "Hydrogen Defects And Optical Damage In LiNbO3", Proc. SPIE 0968, Ceramics and Inorganic Crystals for Optics, Electro-Optics, and Nonlinear Conversion, (17 January 1989); https://doi.org/10.1117/12.948130

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