Optical constants of PLASTICS
NAS-21
Wavelength:
µm
(0.4368–1.052)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.3912λ^2}{λ^2-0.018282}$$Conditions
temperature: 293
Comments
20 °C
References
N. Sultanova, S. Kasarova and I. Nikolov. Dispersion properties of optical polymers, Acta Physica Polonica A 116, 585-587 (2009)
(fit of the experimental data with the Sellmeier dispersion formula: Mikhail Polyanskiy)