Optical properties of samarium doped zinc�?�tellurite glasses

[摘要] Glasses with the composition, (Sm₂O₃)_ð‘�?(ZnO)_{(40â€�?�ð�?��?)}(TeO₂)₍₆₀₎, were prepared by conventional melt quenching method. The density, molar volume, and optical energy band gap of these glasses have been measured. The refractive index, molar refraction and polarizability of oxide ion have been calculated by using Lorentzâ€�?�Lorentz relations. Optical absorption spectra of these glasses were recorded in the range 300â€�??700 nm at room temperature. The oxide ion polarizabilities deduced from two different quantities, viz. refractive index and optical energy band gap, agree well compared with other glasses. The nonlinear variation of the above optical parameters with respect to samarium dopant has been explained.

[学科分类] 材料工程

[关键词] Glasses;density;refractive index;optical properties;tellurium oxide.