【摘要】 本文首次报道用激光诱导荧光法测量Ni²⁺;BeAl₂O₄晶体³T₂→³A₂电子振动跃迁的荧光及其寿命的结果。测得室温下荧光的中心波长为1.33μm,带宽（FwHM）为0.14μm（1.26～1.40μm）,荧光谱中心相对于吸收谱中心的红移为0.225μm,³T₂态的辐射寿命为198μs。更多还原

【Abstract】 This paper reports for the first time the measurement results on the infrared fluorescence spectra and the lifetime of ³T₂—³A₂ vibronic transition of Ni²⁺:BeAl₂O₄ crystal with LIFM. At room temperature（300K）, the center wavelength of the fluorescence spectra is 1.33μm and the bandwidth （FWHM） is 0.14μm（1.26μm—1.40μm）.The red-shift of the fluorescence spectra center deviated from the absorption spectra centr is 0.255μm(1770cm^-1) and the radiative lifetime of ³T₂ is 198μs.更多还原