Optical constants of CDGM - ZF (Dense flint)
H-ZF73
Wavelength:
µm
(0.390–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.528336971λ^2}{λ^2-0.0759305743}+\frac{2.05959954λ^2}{λ^2-0.0171346469}+\frac{3.5863808λ^2}{λ^2-189.364809}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.47e-06 1.75e-08 -4.65e-11 1.29e-06 1.86e-09 0.328
nd: 1.959060
Vd: 17.472434
glass_code: 959175
density: 3.49 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.4e-06 K-1
dPgF: 0.0426
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets