Glasses and Refractive indices
Planar Waveguides
Cylindrical Waveguides
Dispersion
Optical Detection
Erbium Fibers
API
Versions
Calculate the second derivative of the refractive index w.r.t. wavelength.
glass_coef – array of Sellmeier coefficients obtained from glass(i)
lambda0 – wavelength in vacuum [m]
the second derivative of index of refraction [1/m**2]