Conditions & Spec sheet. n_is_absolute: false λ_is_vacuum: false temperature: 20 °C. Comments. 20 °C. References. N. Sultanova, S. Kasarova and I. Nikolov. read more
Refraction at interface.svg Many materials have a well-characterized refractive index, but these indexes depend strongly upon the frequency of light. Standard refractive index measurements are taken at the "yellow doublet" sodium D line, with a wavelength of 589 nanometers. read more