Study of the properties and structure of binary tin silicate glasses with zero photoelastic constant

Effect of SnO and Bi₂O₃ on the elastic moduli of silicate glass with high refractivity and small photoelasticity

“…When the oxide glass with negative PECs are suppressed by an induced stress, the dislocated atoms accompanying the overlapping electronic clouds between atoms result in being arranged in a perpendicular direction to the stress direction. 6) Glass with positive PECs, in which the overlapped electronic clouds are aligned parallel to the stress direction, are observed in analogous ring structures that are present in pure SiO 2 glass. 9) According to the theory of Mueller,10) an atomically dislocated structure (deformed electronic cloud) of a constituent oxide in the short-range order determines the positive or negative signs of the PECs and their values.…”

“…These glass materials contain largely polarized ions, such as Sn 2+ and Bi 3+ , with zero/small PECs, which can be used as alternatives for hazardous Pb 2+ ions in zero photoelastic glass. 5) For example, in binary silicate glass, such as SnO, 6) PbO, 5) Sb 2 O 3 , 7) and Bi 2 O 3 , 8) oxides can have different PECs with negative and positive values by changing their concentrations.…”

Colorless SnO- and Sb2O3-containing borate and borosilicate glasses with small photoelastic and high refractive properties

“…The SnO-or Sb 2 O 3 -containing silicate glasses with chemical compositions of SnO-SiO 2 , 7,8) Sb 2 O 3 -SiO 2 , 6) SnO-B 2 O 3 , 9) and Sb 2 O 3 -B 2 O 3 8) with high refractive index and very small PEC have been reported. Among them, the drawback of the silicate glasses was the colorization of a pale yellow.…”

Correlation with one- and two-photon absorptions in Bi2O3 containing B2O3 and SiO2 glasses with zero photoelastic constant

“…The PEC measurement method was described in a previous study. 13,14) Two-photon absorption coefficient, β, of glass plates were measured by the conventional Z-scan method. All the measurements reported below have been performed with 6 ns pulses delivered by a Q-switched mode-locked Nd:YAG laser at 532 nm, at different intensities, but at a repetition rate of 10 Hz.…”