FIG. 2.
![The frequency-dependent refractive index ñ(ω)=n+iκ of the DSO crystal for (a) the [001] and [11¯0] axes in the (110)-cut DSO and (b) the [100] and [010] axes in the (001)-cut DSO. The shaded regions indicate the birefringence. (c) and (d) The corresponding absorption coefficients along the respective axes. The shaded regions indicate the frequency range over which the difference in absorption along the two respective in-plane orthogonal axes is negligible.](https://aipp.silverchair-cdn.com/aipp/content_public/journal/apl/118/22/10.1063_5.0043216/4/223506_1_f2.jpeg?Expires=1716632393&Signature=ntk1Y3SdP7tNnv8kImefyG2aW4kPmslQZUKiR-3D-fbLJm7eTq-FqNvVtyDNYj3wdwrU40XOBY-uFsOxZYzOEwMm2mbrknQz6tWlgTfDvx7Bls9g-BmBMyrlbaO0REmJrvBcQiLZcI5S8Yf4t78jSuVM6300DqL0RwSNY0eIO9d6~8tIM9aeGHtFV48747UAXVKLPSJzaTJP~Sy8FATAqo5Mg7unkIWpWTPkcwbMU5ZxUrMTRt0272lgFzCMmUuWuz5j9~PyZu339mt6ohpTlXuEAgK9ejfFlGPOJ4ulGuq0wQ2NdxJjZTlYzcZX-rxxDGLWfcrrY6FFMCkbJUIcNw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
The frequency-dependent refractive index of the DSO crystal for (a) the [001] and [10] axes in the (110)-cut DSO and (b) the [100] and [010] axes in the (001)-cut DSO. The shaded regions indicate the birefringence. (c) and (d) The corresponding absorption coefficients along the respective axes. The shaded regions indicate the frequency range over which the difference in absorption along the two respective in-plane orthogonal axes is negligible.
