RESUMEN
Sm3+ions doped Phospho-Borate glasses were synthesized and their physical and spectroscopic parameters were studied to evaluate its potential reddish-orange emission for photonic applications. Structural investigation made through XRD analysis confirms the amorphous nature. The evaluated bonding parameters from the absorption spectral analysis confirm the ionic bonding of the Sm-O network in the prepared glasses. Four emission bands were observed from the luminescence spectra, and the HT 4G5/2 â 6H7/2 is observed at 601 nm. The oscillator strength values elucidate the intensity of the absorption bands, and the PBKZnF:Sm sample exhibits a higher oscillator strength value. The Judd-Ofelt intensity parameters were observed to trail the trend Ω4 > Ω6. > Ω2 for the majority of the samples. The CIE 1931 color chromaticity investigation confirms that the present glass samples are suitable for reddish-orange media. Barium and strontium-incorporated glasses exhibit outstanding lasing potential, which was confirmed through the efficiency of the quantum yield and some of the radiative parameters like effective bandwidth, transition probability and stimulated emission cross-section. Radiative parameters have been calculated from the luminescence spectra. Amid all transitions, 4G5/2 â6H7/2 transition has higher transition probability and higher stimulated emission cross-section values for all the prepared glass samples. Barium-incorporated glass exhibits a higher emission cross-section of 30.55 × 10-22 cm2 and a transition probability of 30.89 s-1 compared to all other glasses. The non-exponential decay profiles of the fabricated samples were plotted by examining the excitation wavelength at 402 nm and emission wavelength at 600 nm. Of all the prepared glasses, the quantum efficiency is found to be higher for the glass sample PBKSrF:Sm (65 %).
RESUMEN
An exclusive set of Dy3+ ions incorporated Boro-phosphate glasses with different modifier ions like Sr, Mg, Ba, Li and Zn have been manufactured by quenching the melts. The optical behavior of the present glasses was explored through absorption, luminescence & lifetime studies. Physical parameters such as refractive index (RI) and density have been calculated and utilized to evaluate other parameters. The JO parameters exhibited the style Ω2 > Ω4 > Ω6, and the luminescence spectra exhibited three strong transitions; 4F9/2â6H15/2 (magnetic dipole), 4F9/2â6H13/2 (electric dipole) and 4F9/2â6H11/2 (magnetic dipole). Lasing action characteristics such as emission cross-section, transition probability and branching ratio were projected from the JO parameters and oscillator strength values. The color chromaticity coordinates were determined using the CIE color chromaticity diagram. Lifetime analyses have been performed to comprehend the decay performance of the BPNfDy:X glasses.