prysm.refractive¶
Code for working with refractive index data.
- prysm.refractive.cauchy(wvl, A, *args)¶
Cauchy’s equation for the (real) index of refraction of transparent materials.
- Parameters
wvl (number) – wavelength of light, microns
A (number) – the first term in Cauchy’s equation
args (number) – B, C, … terms in Cauchy’s equation
- Returns
array of refractive indices of the same shape as wvl
- Return type
numpy.ndarray
- prysm.refractive.sellmeier(wvl, A, B)¶
Sellmeier glass equation.
- Parameters
wvl (numpy.ndarray) – wavelengths, microns
A (Iterable) – sequence of “A” coefficients
B (Iterable) – sequence of “B” coefficients
- Returns
refractive index
- Return type
numpy.ndarray