No. density (cm⁻³)	λ_f (nm)	FWHM (cm⁻¹)	FI (A.U.)
Method I
6.78 × 10¹⁵	431	875	0.20
4.84 × 10¹⁶	431	975	0.45
8.52 × 10¹⁶	431	1265	0.59
3.80 × 10¹⁷	432	1386	0.82
8.56 × 10¹⁷	433	1274	0.69
2.49 × 10¹⁸	434	1170	0.49
5.51 × 10¹⁸	434	919	0.32
Method II
4.96 × 10¹⁵	430	812	0.30
5.63 × 10¹⁶	430	990	0.52
9.51 × 10¹⁶	431	1206	0.78
3.78 × 10¹⁷	431	1379	0.90
7.96 × 10¹⁷	432	1219	0.75
2.71 × 10¹⁸	432	984	0.60
6.31 × 10¹⁸	433	829	0.42
Method III
5.18 × 10¹⁵	432	753	0.51
3.94 × 10¹⁶	432	912	0.68
7.62 × 10¹⁶	432	1086	0.88
5.91 × 10¹⁷	433	1320	0.97
9.43 × 10¹⁷	433	1152	0.85
3.29 × 10¹⁸	434	1037	0.72
4.44 × 10¹⁸	434	896	0.51