Optical constants of CDGM - F (Flint)
F2
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.53265982-0.00773825354λ^{2}+0.0231731432λ^{-2}+0.000409362855λ^{-4}+3.78046829\text{×}10^{-05}λ^{-6}+1.03464346\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.84e-06 1.63e-08 -7.71e-11 9.44e-07 8.73e-10 0.251
nd: 1.612929
Vd: 36.986002
glass_code: 613370
glass_status: preferred
density: 3.5 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 1.01e-05 K-1
- temperature_range: 20 300 °C
coefficient: 1.21e-05 K-1
dPgF: -0.0014
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets