Optical constants of Si3N4, SiN (Silicon nitride)
Philipp 1973: n 0.207–1.24 µm
Wavelength:
µm
(0.207–1.24)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{2.8939λ^2}{λ^2-0.13967^2}$$References
1) H. R. Philipp. Optical properties of silicon nitride, J. Electrochim. Soc. 120, 295-300 (1973)
2) T. Bååk. Silicon oxynitride; a material for GRIN optics, Appl. Optics 21, 1069-1072 (1982)
*Ref.2 provides a dispersion formula based on data from Ref. 1