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. 2014 Aug 14;4:6060. doi: 10.1038/srep06060

Table 3. The J-O parameters Ωλ (×10−20cm2) of Er3+ in various glass systems.

Samples Ω2 Ω4 Ω6 δr.m.s (×10−6) Ref.
Y2Er 5.22 ± 0.04 1.65 ± 0.04 1.10 ± 0.10 0.15 Present work
N2Er 6.10 ± 0.03 1.92 ± 0.18 1.08 ± 0.07 0.14  
5Al(PO3)3-95fluorides 2.68 1.65 1.27 0.17 17
50ZrF4-33BaF2 -17(LaF3+AlF3+YF3) 3.08 1.46 1.69 0.32 34
55BiO3/2-30GeO2-15NaO1/2 4.89 1.62 0.77 0.12 34
60GeO2-20NaO1/2-20NbO5/2 5.97 0.83 0.48 2.1 35