Abstract
This paper is a simple idea aims to how to get an imagination about the variation of glass refractive index with its internal structure. In the present work an empirical equation for the refractive index of a glass sample has been achieved as function of both the glass molar Volume and the glass electronegativity. Like this equation, may be used to determine and estimate the refractive index value of an inorganic oxide glass sample, if its density measured with high accuracy.
Highlights
Many years ago a lot of scientific research papers especially in the field of the glass technology, had concerned and foxed on the study the inorganic oxide glass structure and the glass optical properties
The density measurement is common feature in most glass research papers. Both the density and the molecular weight are used to calculate the volume occupied by one mole of atoms in the glass matrix, like this volume is called glass molar volume
The values of the glass molar volume are useful for getting a good imagine about the glass homogeneity, stability, transition temperature as well as the variation of the refractive index
Summary
Many years ago a lot of scientific research papers especially in the field of the glass technology, had concerned and foxed on the study the inorganic oxide glass structure and the glass optical properties. These glasses have a lot of potential applications, For example; Borate glasses containing alkali or alkaline earth cations, are good candidates for ion conduction and suitable for the fabrication of solid state batteries [1]. Borate glasses containing lead oxide have several applications including radiation shields, optical, and thermal properties [3], [4]. This work has been performed and aims to investigate an empirical relation correlate the glass structure directly to its optical properties especially the refractive index
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