Optical constants of CDGM - F (Flint)
H-F4
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.131898794λ^2}{λ^2-0.05793195}+\frac{1.42441827λ^2}{λ^2-0.0106270032}+\frac{1.21746316λ^2}{λ^2-117.376535}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -5.06e-07 1.71e-08 -6.38e-11 7.53e-07 6.73e-10 0.266 nd: 1.620050 Vd: 36.345886 glass_code: 620364 glass_status: standard density: 2.67 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.6e-06 K-1 - temperature_range: 20 300 °C coefficient: 9e-06 K-1 dPgF: 0.0047 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets