Optical constants of CDGM - ZF (Dense flint)
ZF12
Wavelength:
µm
(0.380–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.99506991-0.0165672521λ^{2}+0.0256701429λ^{-2}+0.00670445128λ^{-4}-0.000837476647λ^{-6}+6.26402774\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 4.33e-06 2.64e-08 -2.01e-11 1.43e-06 1.62e-09 0.284 nd: 1.761822 Vd: 26.555686 glass_code: 762266 glass_status: preferred density: 4.64 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.5e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.9e-06 K-1 dPgF: 0.0066
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets