Optical constants of Al2O3 (Aluminium sesquioxide, Sapphire, Alumina)
Malitson 1962: α-Al2O3 (Sapphire); n(o) 0.2652–5.577 µm
Wavelength:
µm
(0.2652–5.577)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.023798λ^2}{λ^2-0.06144821^2}+\frac{1.058264λ^2}{λ^2-0.1106997^2}+\frac{5.280792λ^2}{λ^2-17.92656^2}$$Comments
Synthetic sapphire, Ordinary ray (o), 24 °C
References
I. H. Malitson. Refraction and dispersion of synthetic sapphire, J. Opt. Soc. Am. 52, 1377-1379 (1962)
Data
INFO
Aluminium sesquioxide, Al2O3
Other names
- Alumina
- Aluminium oxide
- Aloxite
- Aluminium oxide (α)
- Aluminium(III) oxide
- Dialuminium trioxide
Mineral
- Corundum
Gemstones
- Sapphire
- Ruby