Optical constants of CDGM - F (Flint)
H-F51
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.19880199λ^2}{λ^2-118.703083}+\frac{0.146782039λ^2}{λ^2-0.0586919967}+\frac{1.46655148λ^2}{λ^2-0.0111709187}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.03e-06 1.5e-08 -4.64e-11 7.77e-07 8.08e-10 0.275
nd: 1.639800
Vd: 34.464570
glass_code: 640345
density: 2.76 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 8.4e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 1.02e-05 K-1
dPgF: 0.0054
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets