[PDF] Top 20 Optical Properties of Dy3+ and Ce3+ in Borate Glass

... electronic balance mixed thoroughly and ground to a fine powder. The batches were then placed in quartz cup and melted in an electrical furnace in air at 1323K for 1,5 hours. The melt was then quenched to room ... See full document

... maintained within the range 1000-1050 and kept the melt at this temperature for an hour till a bubble free liquid was formed. For the homogeneous mixing of all the constituents the crucibles were shaken frequently. The ... See full document

... optical absorption spectra were obtained between wavelengths 300 and 2000 nm using Jasco V670 spectrometer. The emission spectra were recorded by Fluorolog-3 spectrometer, model FL3-22, Horiba Jobin Yvon. ... See full document

... prepared glass samples was confirmed by X-ray diffraction. Optical absorption and fluorescence spectra were recorded at room temperature for all glass ... See full document

... for optical applications because they combine high-quantum efficiency with favorable chemical and me-chanical ...possess properties desired of solid-state laser ... See full document

... devices, optical detectors, laser, optical fibers, waveguides and fiber amplifiers ...Oxy-flouro borate glasses have been identified as good glassy materials due to their good glass forming ... See full document

... 1060˚C by an electrical muffle furnace for 2 hours. After complete melting, the melts were quickly poured in to a preheated stainless steel mould and annealed at temperature of 350˚C for 2 h to remove thermal strains and ... See full document

... BaBSm0.5 glass. Estimated optical band gap value ...the optical band gap value ...in borate structure may create some defect states in the midgap, which is responsible for the decrease of ... See full document

... The relevant chemicals were mixed and grained in an agate mature as a 12 g batch. The batch in the crucible was melted in an electronic furnace at 950°C. The melt was quenched by pouring in it on a preheated brass plate ... See full document

... the optical absorption spectra, Nephelauxetic ratios and bonding parameter values have been calculated using the expressions reported in the literature [6] to study the nature of the Dy 3+ -ligand bond in the ... See full document

... based borate glasses has been a boon to opto-electronic device. Borate glasses are chosen for their low melting point and it has a wide range of glass forming ...non-linear optical ... See full document

... borate glass matrix doped with f block elements are suitable systems for applications in optical devices of laser ...emission properties of rare earth ions in lead borate glass ... See full document

... physical properties including the amorphous state, density and molar volume were ...and optical properties were determined from ultraviolet-visible optical ... See full document

... tellurite glasses. The obtained values of the J-O parameters Ω 2 and Ω 6 are in agreement with the unusual change of the disorder structure and the rigidity of the boro-tellurite glass containing the high content ... See full document

... and 587 nm (green color) for all samples except the pure glass sample of lithium sodium borate. The glow curve exhibited a single peak at 164 ºC. The results show that the appropriate annealing procedure ... See full document

... The thermoluminescence dosimetry (TLD) becomes widespread in measurement radiation dose, due to its high sensitivity with small size. (Mayles et al, 2007). Most previous studies of thermoluminescence focused on ... See full document

... the glass samples. The physical properties which includes density, ion concentrations, polaron radius and inter-nuclear distance have been ...The glass transition temperature, crystallization ... See full document

... the glass system (Pontuschka et ...of borate glass (Srivastava and Supe, 1989; Martini et ...thermoluminescent properties of LKB doped with CuO and TiO 2 , and the ... See full document

... procedure. Optical absorption, excitation, luminescence spectra and lifetime have been measured at room ...spectral properties and to calculate the radiative transition ... See full document

... The growing applications of ultraviolet, X and gamma radiations, in various processes associated with industrial, medical and agriculture fields, has led to numerous on-going researches in the search of new compositions ... See full document