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Spectroscopic properties of Nd3+ and Pr3+ in gallate glasses with low phonon energies

机译:低声子能量的没食子酸酯玻璃中Nd3 +和Pr3 +的光谱性质

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Absorption and fluorescence spectra of Nd3+ were measured in potassium tantalum gallate, lead bismuth gallate (PEG), fluorozirconate (ZBLAN), and Ge-Ga-S glasses. A Judd-Ofelt analysis was performed to determine the spontaneous emission probability and stimulated emission cross section of the F-4(3/2) --> I-4(11/2) transition of Nd3+. Raman spectra were studied to clarify the maximum phonon energies of the glasses. The fluorescence of the (1)G(4) --> H-3(5) transition of Pr3+ in a dehydrated PEG glass was observed for the first time to our knowledge. The PEG glass has a higher quantum efficiency than that of ZBLAN glass based on the Judd-Ofelt analysis. (C) 1997 Optical Society of America.
机译:在钽酸镓钽,镓酸铋铋(PEG),氟锆酸盐(ZBLAN)和Ge-Ga-S玻璃中测量了Nd3 +的吸收和荧光光谱。进行Judd-Ofelt分析以确定Nd3 +的F-4(3/2)-> I-4(11/2)跃迁的自发发射概率和受激发射截面。研究了拉曼光谱,以澄清玻璃的最大声子能量。据我们所知,这是首次观察到脱水PEG玻璃中Pr3 +的(1)G(4)-> H-3(5)跃迁的荧光。根据Judd-Ofelt分析,PEG玻璃比ZBLAN玻璃具有更高的量子效率。 (C)1997年美国眼镜学会。

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