Optical constants of Fused silica (fused quartz)
Malitson 1965: n 0.21–3.71 µm
Wavelength:
µm
(0.21–6.7)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.6961663λ^2}{λ^2-0.0684043^2}+\frac{0.4079426λ^2}{λ^2-0.1162414^2}+\frac{0.8974794λ^2}{λ^2-9.896161^2}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20 °C
Comments
Fused silica, 20 °C
References
1) I. H. Malitson. Interspecimen comparison of the refractive index of fused silica, J. Opt. Soc. Am. 55, 1205-1208 (1965)
2) C. Z. Tan. Determination of refractive index of silica glass for infrared wavelengths by IR spectroscopy, J. Non-Cryst. Solids 223, 158-163 (1998)
* Sellmeier formula is reported in Ref. 1 for the 0.21-3.71 μm wavelength range. Ref. 2 verifies the validity of the formula up to 6.7 μm.