Abstract Praseodymium (Pr2O3) doped PbO-Ro2O3–WO3–B2O3 glasses were prepared by melt quenching method and their optical absorption and emission spectra were characterized, for three different heavy metal oxides (Ro2O3 = Sb2O3, Al2O3, and Bi2O3). The characteristics of the glass matrix are confirmed by X-ray diffraction spectra. Many structural properties can be identified by Fourier Transform infrared spectra of the glasses, such as PbO, B2O3, and WO3. From the optical absorption spectra, the absorption edges, and the values of direct and indirect band gap transitions and Urbach energies were calculated. The oscillator strengths of the absorption bands were determined by the Judd-Ofelt model, and the Judd-Ofelt intensity parameters Ω 2 , Ω 4 , and Ω 6 were calculated for each of the studied glasses. Moreover, the nephelauxetic ratio β , bonding parameter δ , and optical basicity Λ t h were also calculated to characterize the bonding nature of the Pr3+ rare-earth ions. From the emission spectra, spontaneous radiative transition probability A τ , total radiative transition probability A T , luminance branching ratio β r , and radiative life time τ r a d were calculated. From the spectra, the CIE color coordinates were also calculated for all the studied glasses. This research confirms that the studied materials are suitable for red laser applications.

中文翻译：

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改性氧化物对 Pr3+ 掺杂 PbO-Ro2O3-WO3-B2O3 玻璃（其中 Ro2O = Sb2O3、Al2O3 和 Bi2O3）的光谱和光学性能的影响

摘要 采用熔体淬火法制备镨 (Pr2O3) 掺杂的 PbO-Ro2O3-WO3-B2O3 玻璃，并对三种不同的重金属氧化物（Ro2O3 = Sb2O3、Al2O3 和 Bi2O3）的光学吸收和发射光谱进行了表征。X射线衍射光谱证实了玻璃基质的特性。许多结构特性可以通过玻璃的傅立叶变换红外光谱来识别，例如 PbO、B2O3 和 WO3。根据光吸收光谱，计算吸收边缘，以及直接和间接带隙跃迁和 Urbach 能量的值。吸收带的振子强度由 Judd-Ofelt 模型确定，并计算每种研究玻璃的 Judd-Ofelt 强度参数 Ω 2 、Ω 4 和Ω 6 。此外，浊度比 β ，还计算了键合参数 δ 和光学碱度 Λ th 来表征 Pr3+ 稀土离子的键合性质。根据发射光谱，计算自发辐射跃迁概率A τ 、总辐射跃迁概率AT 、亮度分支比β r 和辐射寿命τ rad 。从光谱中，还计算了所有研究玻璃的 CIE 颜色坐标。该研究证实，所研究的材料适用于红色激光应用。从光谱中，还计算了所有研究玻璃的 CIE 颜色坐标。该研究证实，所研究的材料适用于红色激光应用。从光谱中，还计算了所有研究玻璃的 CIE 颜色坐标。该研究证实，所研究的材料适用于红色激光应用。