Optical constants of SiO2 (Silicon dioxide, Silica, Quartz)
Arosa and de la Fuente 2020: Fused silica; n 0.26–1.7 µm
Wavelength:
µm
(0.26–1.7)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.9310λ^2}{λ^2-0.079^2}+\frac{0.1735λ^2}{λ^2-0.130^2}+\frac{2.1121λ^2}{λ^2-14.918^2}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false
Comments
Fused silica. The accuracy of refractive index measurements is lower than those reported by Malitson. However, by combining phase velocity and group velocity dispersion data, the authors have derived a potentially more accurate Sellmeier formula.
References
Y. Arosa and R. de la Fuente. Refractive index spectroscopy and material dispersion in fused silica glass, Opt. Lett. 45, 4268-4271 (2020)
Data
INFO
Silicon dioxide, SiO2
Other names
- Quartz
- Silica
- Silicon oxide
- Silicon(IV) dioxide
Polymorphs
- Alpha quartz (α-quartz, most common)
- Beta quartz (β-quartz, only stable at temperatures above 573 °C)
- Tridymite
- Cristobalite
- Coesite
- Stishovite
- Lechatelierite
- Chalcedony