Optical absorption, excitation and emission spectra of Eu3+ ions in lithium borate and lithium
fluoroborate glasses have been investigated. Judd–Ofelt intensity parameters are derived …

Cerium, europium and terbium ions can exist in different valencies in glasses. The formation
and ultraviolet (UV) absorption features of the ions were studied in a fluoride phosphate (FP) …

Persistent spectral hole burning in Sm^ 2+-doped borate glasses is observed at room
temperature. The possible number of holes is approximately five times larger than in halide …

Silica-based sol–gel waveguides activated by Er3+ ions are attractive materials for
integrated optic devices. 70SiO2–30HfO2 planar waveguides, doped with Er3+ …

70SiO 2–30HfO 2 planar waveguides, doped with Er 3+ concentrations ranging from 0.3 to 1
mol%, were prepared by sol-gel route, using dip-coating deposition on silica glass …

A detailed analysis of the optical properties of Eu3+ ions in calcium diborate glasses has
been performed in order to correlate them with the local environment of the lanthanide ions …

The optical properties of Eu 3+-doped fluorophosphate glasses of composition (in mol%) 60
NaPO 3-1 5 B a F 2-(25-x) YF 3-x EuF 3 (x= 0.5, 2, 5, 10, 15, 20, and 25) have been …

Studies on the vibronic spectral analysis of Eu3+ ions doped in zinc borosilicate glass have
been performed in order to correlate them with the local environment of the dopant ion in this …

From the absorption and emission spectra recorded in a conventional way at 13 K, the Stark
levels in manifolds from 4I 15/2 to 2H 9/2 for Er3+-doped ZBLAN (ZrF4–BaF2–LaF3–AlF3 …

A borosilicate glass of molar composition 0. 0 1 E u 2 O 3⋅ 0.99 (2 5 N a 2 O⋅ 5 0 B 2 O 3⋅
2 5 S i O 2) has been studied through the optical spectroscopy of the Eu 3+ ion. Absorption …