Optical constants of SCHOTT - K (Crown)
K5G20
Wavelength:
µm
(0.37–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.14094396λ^2}{λ^2-0.00694945478}+\frac{0.14500119λ^2}{λ^2-0.0310574444}+\frac{37.4705786λ^2}{λ^2-4536.25624}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -2.22e-06 8.45e-09 -3.31e-11 5.44e-07 4.95e-10 0.214 nd: 1.52344 Vd: 56.76 glass_code: 523568.259 glass_status: special density: 2.593 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.99e-06 K-1 - temperature_range: 20 300 °C coefficient: 1.028e-05 K-1 dPgF: 0.0017 stain_resistance: 0.0 acid_resistance: 1.0 alkali_resistance: 1.0
Comments
inquiry glass
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets