## Optical constants of AlN (Aluminium nitride)

Pastrňák and Roskovcová 1966: n(e) 0.22–5 µm

Wavelength:
µm

(0.22–5)

### Complex refractive index (*n+ik)*

n
k
LogX
LogY
eV

### Derived optical constants

### Dispersion formula

$$n^2-1=2.0729+\frac{1.6173λ^2}{λ^2-0.1746^2}+\frac{4.139λ^2}{λ^2-15.03^2}$$### Comments

Extraordinary ray (e).

### References

J. Pastrňák and L. Roskovcová. Refraction index measurements on AlN single crystals, *Phys. Stat. Sol.* **14**, K5-K8 (1966)