## Optical constants of Ar (Argon)

Peck and Fisher 1964: n 0.47–2.06 µm; 0 °C

Wavelength:
µm

(0.4679–2.0587)

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

n
k
LogX
LogY
eV

### Derived optical constants

### Dispersion formula

$$n-1=6.7867\text{×}10^{-5}+\frac{3.0182943\text{×}10^{-2}}{144-λ^{-2}}$$### Conditions & Spec sheet

n_is_absolute: true wavelength_is_vacuum: true temperature: 0 °C pressure: 101325 Pa

### Comments

Standard conditions: 0 °C, 760 torr (101.325 kPa).

### References

E. R. Peck and D. J. Fisher. Dispersion of argon, *J. Opt. Soc. Am.* **54**, 1362-1364 (1964)