Table 1 Spearman rank correlation coefficient between defect distribution parameters and damage performance of fused silica optics.
From: Non-destructive evaluation of UV pulse laser-induced damage performance of fused silica optics
Defect distribution parameters | Damage thresholds (0%) | Damage density at 8 J/cm2 | ||
|---|---|---|---|---|
Correlative coefficient | Sig | Correlative coefficient | Sig | |
Fluorescence defects area percentage | −0.946 | 1.170E-4 | 0.933 | 2.359E-4 |
Average absorption | −0.971 | 1.374E-5 | 0.951 | 8.762E-5 |
Peak absorption | −0.778 | 0.014 | 0.767 | 0.016 |