Optical constants of CDGM - ZF (Dense flint)
H-ZF62GT
Wavelength:
µm
(0.380–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{2.55246796λ^2}{λ^2-162.450683}+\frac{0.465681607λ^2}{λ^2-0.069560081}+\frac{2.0289468λ^2}{λ^2-0.014771138}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -6.75e-06 1.69e-08 -4.1e-11 9.81e-07 1.32e-09 0.322
nd: 1.922860
Vd: 20.879915
glass_code: 923209
density: 4.01 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.4e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.7e-06 K-1
dPgF: 0.0298
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets