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测量了Nd∶YAG晶体从 - 70℃到 +80℃不同温度下的荧光发射光谱和荧光寿命 ,计算了该晶体在不同温度下 1.0 6 4μm受激发射截面 ,首次获得在此温度变化范围内受激发射截面随温度的线性变化关系
The fluorescence emission spectra and fluorescence lifetime of Nd:YAG crystal at different temperatures from -70 ℃ to + 80 ℃ were measured. The 1.0 6 4μm stimulated emission cross section of the crystal at different temperatures was calculated. For the first time, The relationship between the excitation cross section and the linear change of temperature