A simple method of determining the dispersion of a solid material from the reflectance interferogram of sheet material

Preparation and optical properties of HoF3–BaF2–AlF3–GeO2 glasses

“…In order to calculate X k parameters, the refractive indices were measured at 488, 540 and 641 nm. They were used to determine the relation between the refractive index (n(k)) and the wavelength (k) by the least squares fitting to the SellmeierÕs dispersion equation [45]:…”

Preparation and properties of rare-earth containing oxide fluoride glasses

“…In that case, Judd-Ofelt theory [26] with the results of the absorption spectra and the refractive indices measurements can be useful to get the information about the glass structure. Some reports have described dependence of the spectra on the glass matrix species using calculation of JuddOfelt intensity parameters (V l parameters) for Ho 3+ in different host lattices [8,19,[27][28][29][30][31][32][33][34]. The refractive indices were measured at 488, 540 and 641 nm to calculate V l parameters.…”

“…The refractive indices were measured at 488, 540 and 641 nm to calculate V l parameters. They were used to determine the relation between the refractive index (n(l)) and the wavelength (l) by least squares fitting to the Sellmeier's dispersion equation [34]:…”