Fig. 7

Transmittance of the 0 Gy peak of the defected SPC-GRD as \(\left[\text{Air}*{({PSi}_{1}*{PSi}_{2})}^{N}*\text{PNC }*{({PSi}_{2}*{PSi}_{1})}^{N}*\text{Substrate}\right]\) versus the number of periods at \({d}_{1}=100 \, \text{nm}\), \({d}_{2}=170 \, \text{nm}\), \({P}_{1}=20 \%\), \({P}_{2}=80 \%\), and \({d}_{D}=900 \%\) for different numbers of unit cells.