Optical constants of Si (Silicon)
Salzberg and Villa 1957: n 1.36–11 µm
Wavelength:
µm
(1.357–11.04)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{10.6684293λ^2}{λ^2-0.301516485^2}+\frac{0.0030434748λ^2}{λ^2-1.13475115^2}+\frac{1.54133408λ^2}{λ^2-1104^2}$$Comments
26 °C, Unknown purity
References
1) C. D. Salzberg and J. J. Villa. Infrared Refractive Indexes of Silicon, Germanium and Modified Selenium Glass, J. Opt. Soc. Am., 47, 244-246 (1957)
2) B. Tatian. Fitting refractive-index data with the Sellmeier dispersion formula, Appl. Opt. 23, 4477-4485 (1984)
*Ref. 2 provides a dispersion formula based on data from Ref. 1
Data
INFO
Silicon, Si
Other names for Polysilicon
- Polycrystalline silicon, "poly"
- semicrystalline silicon