Er^(3+):YAIO_3晶体的吸收光谱及参数计算

ABSORPTION SPECTRUM AND PARAMETERS CALCULATION OF Er^(3+) YAlO_3 CRYSTAL

测量了Er^(3+):YAlO_3晶体的吸收光谱,并应用Judd-Ofelt理论计算了Er^(3+)离子在YAlO_2晶体中的自发辐射几率、辐射寿命、荧光分支比和积分发射截面,拟合出Er^(3+):YAlO_3晶体的强度參数:Ω_2=0.31×10.10^(-20)cm^2,Ω_4=2.05×10^(-20)cm^2,Ω_6=0.71×10^(-20)cm^2。

In this paper, by use of the measured absorption spectrum of Er3+: YAlO3 crystal, Judd-Ofelt theory is introduced for the calculation of the spontaneous emission probability, emission lifetime, fluorescence branching ratio and integration of the emission section of Er3+ ion in YAlO3 crystal and the intensity parameters of Er3+: YAlO3 are derived as follows: Ω1=1.31×10-20 cm2, Ω4=2.05×10-20cm2, Ω?=0.71×10-20cm2.