Optical constants of CDGM - ZF (Dense flint)
ZF50
Wavelength:
µm
(0.370 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.9228084-0.013029549λ^{2}+0.029540007λ^{-2}+0.0041308365λ^{-4}-0.00044721542λ^{-6}+3.7137603\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 3.66e-06 2.91e-08 -3.18e-10 1.58e-06 6.74e-10 0.244 nd: 1.740770 Vd: 27.767880 glass_code: 741278 glass_status: preferred density: 4.46 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 7.1e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 8.7e-06 K-1 dPgF: 0.005
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets