Open AccessSecond harmonic generation and charge relaxation of poled glasses
Author(s) -
Ilya Reshetov,
V. P. Kaasik,
A. A. Lipovskiĭ,
D. K. Tagantsev
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1410/1/012148
Subject(s) - poling , materials science , relaxation (psychology) , glass transition , annealing (glass) , soda lime , space charge , second harmonic generation , silicate glass , charge (physics) , condensed matter physics , mineralogy , analytical chemistry (journal) , optics , composite material , optoelectronics , chemistry , dielectric , physics , polymer , ferroelectricity , psychology , social psychology , laser , chromatography , quantum mechanics , electron
We measured thermal relaxation of the second order nonlinearity (SON) observed in a thermally-poled soda-lime silicate glass. It is shown that 50-min annealing of the glass at 400°C results in a complete SON degradation. Performed studies of thermo-stimulated depolarization current (TSDC) revealed that the poling-induced spatial electric charge relaxes above the glass transition temperature. This indicates that SON is not induced by this spatial charge.