## Optical constants of Air

Börzsönyi et al. 2008: n 0.4–1.0 µm

Wavelength:
µm

(0.4–1)

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

n
k
LogX
LogY
eV

### Derived optical constants

### Dispersion formula

$$n^2-1=\frac{14926.44\text{×}10^{-8}λ^2}{λ^2-19.36\text{×}10^{-6}}+\frac{41807.57\text{×}10^{-8}λ^2}{λ^2-7.434\text{×}10^{-3}}$$### Conditions & Spec sheet

n_is_absolute: true wavelength_is_vacuum: true temperature: 273 K pressure: 100000 Pa

### Comments

273 K (0 °C), 1000 mbar.

### References

A. Börzsönyi, Z. Heiner, M. P. Kalashnikov, A. P. Kovács, and K. Osvay, Dispersion measurement of inert gases and gas mixtures at 800 nm, *Appl. Opt.* **47**, 4856-4863 (2008)