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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2016, Volume 42, Issue 24, Pages 58–63 (Mi pjtf6239)  

Determining the sign of a polar surface of lithium niobate crystal by UV reflectance spectroscopy

V. D. Paranin, E. Pantelei

Samara State Aerospace University
Abstract: We propose to reveal the +$Z$ and -$Z$ surfaces of a polar cut lithium niobate crystal by measuring its UV reflection spectrum. By the example of a congruent lithium niobate, it is shown that the intensities of light reflection from polar crystal surfaces of different signs in the region of 190–260 nm differ by up to several percent. The depth of short-wave radiation penetration into surface layers of the crystal in the spectral range of intrinsic absorption is estimated. It is shown that the proposed method can be used for determining the surface signs of polar crystal layers with thicknesses from several dozen to several hundred microns.
Received: 15.07.2016
English version:
Technical Physics Letters, 2017, Volume 43, Issue 1, Pages 35–37
DOI: https://doi.org/10.1134/S1063785016120208
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. D. Paranin, E. Pantelei, “Determining the sign of a polar surface of lithium niobate crystal by UV reflectance spectroscopy”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 42:24 (2016), 58–63; Tech. Phys. Lett., 43:1 (2017), 35–37
Citation in format AMSBIB
\Bibitem{ParPan16}
\by V.~D.~Paranin, E.~Pantelei
\paper Determining the sign of a polar surface of lithium niobate crystal by UV reflectance spectroscopy
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2016
\vol 42
\issue 24
\pages 58--63
\mathnet{http://mi.mathnet.ru/pjtf6239}
\elib{https://elibrary.ru/item.asp?id=27368389}
\transl
\jour Tech. Phys. Lett.
\yr 2017
\vol 43
\issue 1
\pages 35--37
\crossref{https://doi.org/10.1134/S1063785016120208}
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