Abstract
Trivalent Samarium doped multi-component Cadmium Lead Sodium Fluoro-Phosphate glass was prepared and characterized through optical absorption, emission and excitation measurements. With the support of Judd-Ofelt theory, the intensity parameters and other radiative parameters were determined using optical absorption spectra from visible region to NIR region and reasonable less deviation obtained between the experimental and calculated oscillator strengths. The emission and excitation spectra of Sm3+ have been recorded under the excitation wavelength λex =399 nm and the emission wavelength λem =596 nm. The emission of Sm3+ in this phosphate host is assigned to the transition from 4G5/2 to 6H5/2, 6H7/2, 6H9/2 and 6H11/2 levels and relative parameters like branching ratio, emission cross section were calculated. In addition to that 1 mol% of MgO also added to the host and compared with the obtained results. GSm5 glass emits high intense red emission for 4G5/2 → 6H7/2 transition suggests the suitability of these glasses for red light emission or laser applications in visible region.
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