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