对Ce³⁺所表现出的光谱特性分析，Ce³⁺表现出的发射光谱总是有两个相差2000 cm^-1发射带，与基态4f能级自旋轨道耦合劈裂的²F_5/2和²F_7/2两个劈裂能级的间距相对应。经高斯拟合分峰，荧光粉Sr₃La_0.96Na(PO₄)₃F:0.04Ce³⁺的发射光谱可以被分解成峰值为328.9 nm (30404 cm^-1)和351.7 nm (28433 cm^-1)两个峰，两者相差1970cm^-1，这与²F_5/2和²F_7/2两个劈裂能级劈裂幅度2000 cm^-1非常接近。因此该荧光粉在340 nm的发射峰是由5d激发态能级上的电子跃迁到²F_5/2和²F_7/2两个劈裂能级发射出来的。

According to the analysis of the spectral characteristics of Ce³⁺, the emission spectrum of Ce³⁺ always has two emission bands with a difference of 2000 cm^-1, which corresponds to the spacing of ²F_5/2和²F_7/2 splitting energy levels of 4f level spin orbit coupling splitting in the ground state. After Gaussian fitting and peak splitting. The emission spectrum of Sr₃La_0.96Na(PO₄)₃F:0.04Ce³⁺ can be decomposed into two peaks of 328.9 nm (30404 cm^-1) and 351.7 nm (28433 cm^-1), with a difference of 1970 cm-1, which is very close to the splitting amplitude of 2000 cm-1 of ²F_5/2和²F_7/2. Therefore, the emission peak of the phosphor at 340 nm is emitted from the electron transition on the 5d excited state level to the two splitting levels of ²F_5/2和²F_7/2.