测量了Tm:K2YF5晶体的吸收光谱,根据Judd-Ofelt理论计算了Tm3+在K2YF5中的强度参数:Ω2=5.02×10-20cm2,Ω4=3.40×10-20cm2,Ω6=0.38×10-20cm2,以及Tm3+激发能级的自发辐射跃迁几率A,荧光分支比β,荧光寿命τ和积分发射截面∑等光谱参量.
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