A method for determining the crystal phase and estimating the crystal lattice deformations in HxLi1-xNbO3 proton-exchanged optical waveguides from an analysis of the Raman light scattering spectra measured with high spatial resolution (the so-called method of micro-RS spectroscopy) is suggested.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 148–151, June, 2018.
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Chirkova, I.M., Basnin, P.P., Sevostyanov, O.G. et al. Estimation of Crystal Lattice Deformations with Depth of Proton-Exchanged Optical Waveguides on Lithium Niobate Single Crystal Substrates. Russ Phys J 61, 1167–1170 (2018). https://doi.org/10.1007/s11182-018-1512-5
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DOI: https://doi.org/10.1007/s11182-018-1512-5