Optical Properties of Lithium Borate Glass Containing Barite

Abstract:

Through this research we have prepared samples of glass, which includes 60 mol%B₂O₃ – x mol %barite – (40-x) mol %Li₂O, where x= 5, 7.5, 10, and 15 mol%. The samples fabricated by the melt quenching technique. The samples are melted in alumina crucible at 1473 K for 1.5 h in an electric muffle furnace (LENTON). The glasses were casted into stainless molds, and then immediately transferred to an annealing furnance at about 400°C. The aim of this work is to determine the extent of the effect of raw barite on the physical and optical properties of this glass. The optical transmittance and reflectance spectrum of the glasses in this work were determined in the wavelength range 300–2500 nm at room temperature. The physical and optical properties of the following prepared glass samples have been determined and calculated (density, volume molar, refraction index, Optical dielectric constant, molar refractivity and electronic polarizability) for glasses prepared.

• Periodical: Defect and Diffusion Forum (Volume 406)
• Pages: 441-447
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.406.441
• Online since: January 2021
• Authors: K. Abdellaoui*
• Keywords: Barite, Electronic Polarizability, Glass, Molar Refractivity, Optical Dielectric Constant, Refraction Index

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