研究目的
Investigating the luminescent properties of Nd3+ doped lithium-gadolinium phosphate glasses for laser applications.
研究成果
The Nd3+ ions doped lithium gadolinium phosphate glasses show promising luminescent properties for laser applications, especially at 1 mol% Nd2O3 concentration. The rigid structure and symmetric environment around Nd3+ ions, as indicated by the JO intensity parameters, along with the high values of radiative properties for the 4F3/2→4I11/2 transition, suggest these glasses are potential candidates for laser applications.
研究不足
The study is limited to the analysis of luminescent properties of Nd3+ doped lithium-gadolinium phosphate glasses. The potential for optimization in glass composition and processing conditions for enhanced laser applications is not explored.
1：Experimental Design and Method Selection:
The glass samples were prepared by melt quenching technique using raw materials of high purity. The Judd-Ofelt (JO) theory was applied to calculate the JO intensity parameters and other radiative properties.
2：Sample Selection and Data Sources:
Glass samples with varying concentrations of Nd2O3 were prepared. Absorption and emission spectra were recorded to analyze the luminescent properties.
3：List of Experimental Equipment and Materials:
Electric furnace, stainless-steel mold, and annealing oven were used for sample preparation. Spectrophotometers were used for recording absorption and emission spectra.
4：Experimental Procedures and Operational Workflow:
The raw materials were melted at 1200 °C, quenched on a stainless-steel mold, annealed at 400 °C for 3 h, and then cooled to room temperature. The samples were then cut and polished for spectroscopic analysis.
5：Data Analysis Methods:
The JO theory was used to analyze the spectroscopic data, calculating oscillator strengths, JO intensity parameters, and radiative properties.
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