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测量了Er:NaY(WO4 ) 2 晶体的吸收光谱、激发光谱、发射光谱以及上转换发光 ,并对测量的结果进行了详细分析 ,得出了Er :NaY(WO4 ) 2 晶体的光学特性 .解释了离子间的能级跃迁过程
The absorption, excitation, emission spectra and upconversion luminescence of Er: NaY (WO4) 2 were measured and the results of the measurements were analyzed in detail to get the optical properties of Er: NaY (WO4) 2 crystal. The energy level transition between ions