Optical constants of CDGM - ZF (Dense flint)
H-ZF72A
Wavelength:
µm
(0.390–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.470478653λ^2}{λ^2-0.0736024509}+\frac{2.55040233λ^2}{λ^2-149.306621}+\frac{2.00593441λ^2}{λ^2-0.0162999226}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -5.63e-06 1.59e-08 -4.96e-11 1.13e-06 1.73e-09 0.328 nd: 1.922860 Vd: 18.895887 glass_code: 923189 glass_status: standard density: 3.57 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.7e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.4e-06 K-1 dPgF: 0.0363 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets