Optical constants of CDGM - ZF (Dense flint)
H-ZF52
Wavelength:
µm
(0.370 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.409982615λ^2}{λ^2-0.0621421199}+\frac{2.37517176λ^2}{λ^2-185.055134}+\frac{1.83913582λ^2}{λ^2-0.0136093459}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: -6.18e-06 1.63e-08 -4.5e-11 1.12e-06 1.19e-09 0.291 nd: 1.846660 Vd: 23.784497 glass_code: 847238 glass_status: standard density: 3.51 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 8.8e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 1.08e-05 K-1 dPgF: 0.0155 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets