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Bertrand Ménaert

Researcher at University of Grenoble

Publications -  25
Citations -  147

Bertrand Ménaert is an academic researcher from University of Grenoble. The author has contributed to research in topics: Crystal & Ferroelectricity. The author has an hindex of 6, co-authored 25 publications receiving 120 citations. Previous affiliations of Bertrand Ménaert include Centre national de la recherche scientifique & JDSU.

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Methodology for optical studies of nonlinear crystals: application to the isomorph family , , and

TL;DR: In this paper, the authors developed a methodology for the measurement of quadratic nonlinear optical properties of crystals, mainly based on the use of the spherical geometry which allows, with only one crystal, accurate measurements of the phase-matching directions and the associated angular acceptances, double-refraction angles and effective coefficients.
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Phase-matching directions and refined Sellmeier equations of the monoclinic acentric crystal BaGa 4 Se 7

TL;DR: The phase-matching directions of second-harmonic and difference frequency generation in the principal planes of the biaxial BaGa4Se7 (BGSe) crystal are measured using the sphere method to refine the Sellmeier equations of the three principal refractive indices of BGSe and to calculate the tuning curves for infrared optical parametric generation.
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High temperature piezoelectric properties of flux-grown α-GeO 2 single crystal

TL;DR: The temperature dependence of the piezoelectric properties of trigonal -GeO2 single-crystals obtained by the high-temperature flux method was measured by the resonance technique of the electrical impedance in the 20°C-600°C range as mentioned in this paper.
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Intrinsic ionic screening of the ferroelectric polarization of KTP revealed by second-harmonic generation microscopy

TL;DR: In this paper, the Coulomb interaction between the mobile free charges and the fixed lattice dipoles was investigated using SHG microscopy, and it was shown that mobile charges and lattice polarization interact in ferroelectric materials.
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Thermal stability of ferroelectric domain gratings in Rb-doped KTP

TL;DR: In this paper, the authors studied the thermal stability of domain walls in periodically poled Rb-doped KTP crystals, and showed that the domain wall motion is highly anisotropic along the a- and b- crystallographic axes.