Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16789
Title: Electro-optic characterization of tetragonal (1-x)Pb(Mg 1/3Nb2/3)O3-xPbTiO3 single crystals by a modified Sénarmont setup
Authors: Wan, X
Wang, DY
Zhao, X
Luo, H
Chan, HLW 
Choy, CL 
Keywords: PMN-xPT single crystal
EO coefficient
Sénarmont system
Issue Date: 2005
Publisher: Pergamon Press
Source: Solid state communications, 2005, v. 134, no. 8, p. 547-551 How to cite?
Journal: Solid state communications 
Abstract: The refractive indices of tetragonal (1-x)Pb(Mg1/3Nb 2/3)O3-xPbTiO3 (PMN-xPT) single crystals were measured with a prism coupler and their linear electro-optic (EO) properties were investigated from 20 to 80°C by the automated scanning Sénarmont system with an ac field. The composition and temperature effect on the EO coefficients were also discussed. It has been found that their EO coefficients are much larger than that of widely used LiNbO3 single crystal and the calculated half-wave voltages are also much lower, which enable the operation at lower voltages and the smaller device dimensions. Since the excellent EO properties are very stable and such high quality single crystals with large-size have been obtained, the PMN-xPT single crystals are a very promising candidate for EO modulation applications. By linking to the polarization-related quadratic EO coefficients, we find that the linear EO properties are related with the spontaneous polarization and dielectric constants.
URI: http://hdl.handle.net/10397/16789
ISSN: 0038-1098
EISSN: 1879-2766
DOI: 10.1016/j.ssc.2005.02.033
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