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MEASUREMENTS OF ELECTRO-OPTIC AND PIEZOELECTRIC COEFFICIENTS IN PHOTOREFRACTIVE- Ce:BaTiO3 CRYSTAL
Author(s) -
Yanyan Zhu,
Xiaojuan Niu,
Hongbin Liu,
P.Barnasconi,
M. Zgonik,
P.Gnter
Publication year - 1997
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.46.813
Subject(s) - photorefractive effect , pockels effect , piezoelectricity , materials science , crystal (programming language) , interferometry , optics , piezoelectric coefficient , phase (matter) , optoelectronics , physics , laser , composite material , quantum mechanics , computer science , programming language
We have measured,for the first time,the low frequency (unclamped)electro-optic and piezoelectric coefficients in Ce:BaTiO3 crystals using interferometric techniques.When the piezoelectric contribution to the phase change by a beam passing through the crystals is ruled out,the unclamped electro-optic coefficients of the poled Ce:BaTiO3 single crystals are r42=1945±220pm/V and r13=11.8±1pm/V.Consequently,accurate values of the Pockels coefficients are provided for researching the photorefractive effect and theoretical study of the Ce:BaTiO3 crystal.

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