get_crystal_indices

spdcalc.spdcalc.get_crystal_indices(crystal_kind, wavelength_nm, temp_kelvin)

Get the refractive indices for a crystal

Parameters

crystal_kind: str

The crystal type

wavelength_nm: float

The wavelength in nanometers

temp_kelvin: float

The temperature in Kelvin

Returns

tuple

The refractive indices