Abstract
The novel glasses within composition: 62TeO2-5K2TeO3-20ZnO-10Nb2O5-3PbF2 and 62TeO2-5K2TeO3-20ZnO-10Nb2O5-3PbF2-2Er2O3 in mol% were fabricated by using meltquenching technique. The magnetic properties Viz; Faraday effect and the Verdet constant at wavelength of laser beam (λ = 632 nm) were measured. The prepared sample with doped Er3+ has the highest value of Verdet constant (= 0.104min/G.cm) which depends on the polarizability of Er3+ ions. Moreover, the optical properties of present glass estimated by using UV-Vis-NIR spectroscopy. The oxygen-packed densities, molar volumes, the polarizability of the oxygen molar volume, the linear refractive index (n), third-order nonlinear susceptibility, (3) , and nonlinear index (n2) of produced glasses were evaluation. It was found that the linear refractive index decreases otherwise the optical energy gap increased with doped Er3+ ions in the glasses network. Also, the Vickers microhardness increase with increasing Er2O3 in the glass matrix. Hence, these glasses may be use in optical isolator with high third-order non-linear susceptibility.
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