Tatiana V. Amotchkina, "Empirical expression for the minimum residual reflectance of normal- and oblique-incidence antireflection coatings," Appl. Opt. 47, 3109-3113 (2008)

A new empirical expression for estimating minimum achievable residual reflectance of antireflection (AR) coatings is presented. The expression gives an accurate approximation of the minimum residual reflectance for normal- and oblique-incidence AR coatings in the visible and infrared spectral ranges.

Konstantin V. Popov, J. A. Dobrowolski, Alexander V. Tikhonravov, and Brian T. Sullivan Appl. Opt. 36(10) 2139-2151 (1997)

References

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Comparison of ${\mathsf{R}}_{\infty}$ Values Calculated from Eq. (6) and Average Residual Reflectance ${\mathsf{R}}_{\mathsf{10}}$ of 10-Cluster Optimal AR Designs^{
a
}

The designs are based on refractive index pairs ${n}_{L}=1.45$, ${n}_{H}=2.35$. Substrate refractive index is ${n}_{s}=1.52$.

Table 2

Comparison of ${\mathsf{R}}_{\infty}$ Values Calculated from Eq. (6) and Average Residual Reflectance ${\mathsf{R}}_{\mathsf{a}\mathsf{v}}$ of 10-Cluster Optimal AR Designs^{
a
}

The designs are based on refractive index pairs ${n}_{L}=1.45$, ${n}_{H}=2.1$. Substrate refractive index is ${n}_{s}=1.52$.

Table 3

Comparison of ${\mathsf{R}}_{\infty}$ Values Calculated from Eq. (6) and Average Residual Reflectance ${\mathsf{R}}_{\mathsf{10}}$ of 10-Cluster Optimal AR Designs^{
a
}

The designs are based on refractive index pairs ${n}_{L}=1.38$, ${n}_{H}=2.3$. Substrate refractive index is ${n}_{s}=1.52$.

Table 4

Comparison of ${\mathsf{R}}_{\infty}$ Values Calculated from Eq. (6) and Average Residual Reflectance ${\mathsf{R}}_{\mathsf{10}}$ of 10-Cluster Optimal AR Designs in the Infrared Spectral Ranges^{
a
}

The designs are based on refractive index pairs ${n}_{L}=2$, ${n}_{H}=4.2$. Substrate refractive index is ${n}_{s}=4.0$.

Tables (4)

Table 1

Comparison of ${\mathsf{R}}_{\infty}$ Values Calculated from Eq. (6) and Average Residual Reflectance ${\mathsf{R}}_{\mathsf{10}}$ of 10-Cluster Optimal AR Designs^{
a
}

The designs are based on refractive index pairs ${n}_{L}=1.45$, ${n}_{H}=2.35$. Substrate refractive index is ${n}_{s}=1.52$.

Table 2

Comparison of ${\mathsf{R}}_{\infty}$ Values Calculated from Eq. (6) and Average Residual Reflectance ${\mathsf{R}}_{\mathsf{a}\mathsf{v}}$ of 10-Cluster Optimal AR Designs^{
a
}

The designs are based on refractive index pairs ${n}_{L}=1.45$, ${n}_{H}=2.1$. Substrate refractive index is ${n}_{s}=1.52$.

Table 3

Comparison of ${\mathsf{R}}_{\infty}$ Values Calculated from Eq. (6) and Average Residual Reflectance ${\mathsf{R}}_{\mathsf{10}}$ of 10-Cluster Optimal AR Designs^{
a
}

The designs are based on refractive index pairs ${n}_{L}=1.38$, ${n}_{H}=2.3$. Substrate refractive index is ${n}_{s}=1.52$.

Table 4

Comparison of ${\mathsf{R}}_{\infty}$ Values Calculated from Eq. (6) and Average Residual Reflectance ${\mathsf{R}}_{\mathsf{10}}$ of 10-Cluster Optimal AR Designs in the Infrared Spectral Ranges^{
a
}