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| Facet | θ |  |
 |
Δn | (1 − rfast)/(1 − rslow) | Ωfast/Ωslow |
|---|---|---|---|---|---|---|
| (010) | 0° | 0 | 3.809 | 0.027 | 1.0094 | 1.029 |
 |
36.2° | −0.050 | 3.705 | 0.018 | 1.0060 | 1.019 |
| (100) | −17.6° | 0.031 | 3.678 | 0.011 | 1.0082 | 1.0040 |
The ratios of the solid angles are given for a numerical aperture of NA = 0.42 The slow axis (higher reflectance) is the x-axis for excitation on the (010)-facet and the z-axis for the other two facets.
